Appendix

Components

The purchased parts MakerSketch knows exactly: screws, nuts, inserts, bearings, motors and more. Place one in a part to design around its real size; it is never printed.

#Screws, nuts and washers

Screws in every standard size, nuts, washers and a grub screw.

#Socket head screw

A socket head machine screw, M2–M8, in the standard lengths. It carries its clearance, counterbore, tap drill and the hole to print.

Size: You choose size (M2–M8) and length

#Button head screw

A button head machine screw, M3–M8, in the standard lengths. It carries its clearance, tap drill and the hole to print.

Size: You choose size (M3–M8) and length

#Pan head screw

A pan head machine screw, M2–M8, in the standard lengths. It carries its clearance, tap drill and the hole to print.

Size: You choose size (M2–M8) and length

#Countersunk screw

A countersunk machine screw, M3–M8, in the standard lengths. It carries its clearance, countersink, tap drill and the hole to print.

Size: You choose size (M3–M8) and length

#3.5 mm countersunk wood screw

A countersunk screw for wood or chipboard, 3.5 mm thread, 12–60 mm long, with the clearance and countersink to print.

Size: 6.5 mm head, 3.5 mm thread

#4 mm countersunk wood screw

A countersunk screw for wood or chipboard, 4 mm thread, 16–60 mm long, with the clearance and countersink to print.

Size: 7.5 mm head, 4 mm thread

#5 mm countersunk wood screw

A countersunk screw for wood or chipboard, 5 mm thread, 20–80 mm long, with the clearance and countersink to print.

Size: 9.2 mm head, 5 mm thread

#M2 × 8 tapping screw

Nominal supplied tapping screw with explicitly bounded head reference; physical fit remains unverified.

Size: 8 mm long, 2 mm thread; verify head

#M2.6 × 6 tapping screw

Nominal supplied tapping screw with explicitly bounded head reference; physical fit remains unverified.

Size: 6 mm long, 2.6 mm thread; verify head

#M3 × 3 grub screw

A2 stainless headless set screw, M3 × 0.5, 3 mm long, 1.5 mm hex key.

Size: Headless, 3 mm long, 3 mm thread

#M2 nut

Style 1 coarse-thread hexagon nut with six real flats and nominal thread bore.

Size: 4 mm across flats, 1.6 mm thick

#M2.5 nut

Style 1 coarse-thread hexagon nut with six real flats and nominal thread bore.

Size: 5 mm across flats, 2 mm thick

#M3 nut

Style 1 coarse-thread hexagon nut with six real flats and nominal thread bore.

Size: 5.5 mm across flats, 2.4 mm thick

#M3 nyloc nut

Hexagon lock nut with a nylon ring that grips the thread, so it won't shake loose; use it on axles and pivots.

Size: 5.5 mm across flats, 3.9 mm thick

#M4 nut

Style 1 coarse-thread hexagon nut with six real flats and nominal thread bore.

Size: 7 mm across flats, 3.2 mm thick

#M4 nyloc nut

Hexagon lock nut with a nylon ring that grips the thread, so it won't shake loose; use it on axles and pivots.

Size: 7 mm across flats, 5 mm thick

#M5 nut

Style 1 coarse-thread hexagon nut with six real flats and nominal thread bore.

Size: 8 mm across flats, 4.7 mm thick

#M5 nyloc nut

Hexagon lock nut with a nylon ring that grips the thread, so it won't shake loose; use it on axles and pivots.

Size: 8 mm across flats, 5 mm thick

#M2 washer

Normal-series plain washer that spreads a screw or nut's load.

Size: 5 mm across, 0.3 mm thick

#M2.5 washer

Normal-series plain washer that spreads a screw or nut's load.

Size: 6 mm across, 0.5 mm thick

#M3 washer

Normal-series plain washer that spreads a screw or nut's load.

Size: 7 mm across, 0.5 mm thick

#M4 washer

Normal-series plain washer that spreads a screw or nut's load.

Size: 9 mm across, 0.8 mm thick

#M5 washer

Normal-series plain washer that spreads a screw or nut's load.

Size: 10 mm across, 1 mm thick

#M3 threaded steering rod

Steel M3×0.5 CW studding cut to a specified finished length; compatible thread form for B-PJ001 rod ends, whose engagement depth must be measured.

Size: 3 mm across, you choose the length

#Heat-set inserts

Brass threads you melt into a print, M2 to M10.

#M2 × 3 heat-set insert

Takes an M2 × 0.4 screw. Print a Ø3.2 mm hole at least 4 mm deep and melt it in. Installing one in a part cuts that pocket and checks it.

Size: M2 × 0.4 screw · print a 3.2 mm hole, 4 mm deep

#M2.5 × 4 heat-set insert

Takes an M2.5 × 0.45 screw. Print a Ø4 mm hole at least 5 mm deep and melt it in. Installing one in a part cuts that pocket and checks it.

Size: M2.5 × 0.45 screw · print a 4 mm hole, 5 mm deep

#M3 × 3 heat-set insert

Takes an M3 × 0.5 screw. Print a Ø4 mm hole at least 4 mm deep and melt it in. Installing one in a part cuts that pocket and checks it.

Size: M3 × 0.5 screw · print a 4 mm hole, 4 mm deep

#M3 × 4 heat-set insert

Takes an M3 × 0.5 screw. Print a Ø4.4 mm hole at least 5 mm deep and melt it in. Installing one in a part cuts that pocket and checks it.

Size: M3 × 0.5 screw · print a 4.4 mm hole, 5 mm deep

#M3 × 5.7 heat-set insert

Takes an M3 × 0.5 screw. Print a Ø4 mm hole at least 6.7 mm deep and melt it in. Installing one in a part cuts that pocket and checks it.

Size: M3 × 0.5 screw · print a 4 mm hole, 6.7 mm deep

#M4 × 4 heat-set insert

Takes an M4 × 0.7 screw. Print a Ø5.7 mm hole at least 5 mm deep and melt it in. Installing one in a part cuts that pocket and checks it.

Size: M4 × 0.7 screw · print a 5.7 mm hole, 5 mm deep

#M4 × 8.1 heat-set insert

Takes an M4 × 0.7 screw. Print a Ø5.7 mm hole at least 9.1 mm deep and melt it in. Installing one in a part cuts that pocket and checks it.

Size: M4 × 0.7 screw · print a 5.7 mm hole, 9.1 mm deep

#M5 × 5.8 heat-set insert

Takes an M5 × 0.8 screw. Print a Ø6.5 mm hole at least 6.8 mm deep and melt it in. Installing one in a part cuts that pocket and checks it.

Size: M5 × 0.8 screw · print a 6.5 mm hole, 6.8 mm deep

#M5 × 9.5 heat-set insert

Takes an M5 × 0.8 screw. Print a Ø6.5 mm hole at least 10.5 mm deep and melt it in. Installing one in a part cuts that pocket and checks it.

Size: M5 × 0.8 screw · print a 6.5 mm hole, 10.5 mm deep

#M6 × 12.7 heat-set insert

Takes an M6 × 1 screw. Print a Ø8.1 mm hole at least 13.7 mm deep and melt it in. Installing one in a part cuts that pocket and checks it.

Size: M6 × 1 screw · print a 8.1 mm hole, 13.7 mm deep

#M8 × 12.7 heat-set insert

Takes an M8 × 1.25 screw. Print a Ø9.7 mm hole at least 13.7 mm deep and melt it in. Installing one in a part cuts that pocket and checks it.

Size: M8 × 1.25 screw · print a 9.7 mm hole, 13.7 mm deep

#M10 × 12.7 heat-set insert

Takes an M10 × 1.5 screw. Print a Ø12 mm hole at least 13.7 mm deep and melt it in. Installing one in a part cuts that pocket and checks it.

Size: M10 × 1.5 screw · print a 12 mm hole, 13.7 mm deep

#Magnets

Disc, block and ring magnets, in the size you measure.

#Disc magnet

A neodymium disc magnet at the size you measure. It gives the pocket to print for a press fit or for glue, and how thick the part must be to hold it.

Size: You choose diameter and thickness

#Block magnet

A neodymium block magnet at the size you measure. It gives the pocket to print for a press fit or for glue, and how thick the part must be to hold it.

Size: You choose length, width and thickness

#Ring magnet

A neodymium ring magnet at the size you measure. It gives the pocket to print for a press fit or for glue, and how thick the part must be to hold it.

Size: You choose its sizes; countersink optional

#Bearings, shafts and belts

Bearings, shafts, collars, shims, belts, pulleys and linear rails.

#3 mm rotary shaft seal

Purchased NBR shaft seal with a 3 mm nominal shaft, 10 mm housing envelope and 6 mm axial width.

Size: 10 mm across, 6 mm wide

#M3 rod end, 30 degree pivot

Matched captive spherical ball and female M3 CW housing; published maximum pivot 30 degrees and minimum internal thread depth 5 mm.

Size: M3 rod, 3 mm bolt hole, 30 degree pivot

#M3 captive ball rod end

B-PJ001 matched captive brass ball/aluminium cup, M3×0.5 CW rod thread and Ø3.05 through-bolt bore; not a snap-on ball stud.

Size: M3 rod, 3.05 mm bolt hole

#MR52 bearing, 2 mm hole

Open radial ball bearing, nominal 2 × 5 × 2 mm.

Size: 5 mm across, 2 mm wide

#MR63 bearing, 3 mm hole

Open radial ball bearing, nominal 3 × 6 × 2 mm.

Size: 6 mm across, 2 mm wide

#MR74 bearing, 4 mm hole

Open radial ball bearing, nominal 4 × 7 × 2 mm.

Size: 7 mm across, 2 mm wide

#625 bearing, 5 mm hole

Single-row deep-groove bearing, two non-contact shields.

Size: 16 mm across, 5 mm wide

#MR115 bearing, 5 mm hole

Open radial ball bearing, nominal 5 × 11 × 4 mm.

Size: 11 mm across, 4 mm wide

#1150 bearing with sourced abutments

5×11×4 mm double-shield miniature bearing with manufacturer abutment limits.

Size: 11 mm across, 4 mm wide

#608 bearing, 8 mm hole

Single-row deep-groove bearing, two non-contact shields and C3 internal clearance.

Size: 22 mm across, 7 mm wide

#6700 bearing, 10 mm hole

Thin-section radial ball bearing, nominal 10 × 15 × 4 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 15 mm across, 4 mm wide

#6800 bearing, 10 mm hole

Thin-section radial ball bearing, nominal 10 × 19 × 5 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 19 mm across, 5 mm wide

#6701 bearing, 12 mm hole

Thin-section radial ball bearing, nominal 12 × 18 × 4 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 18 mm across, 4 mm wide

#6801 bearing, 12 mm hole

Thin-section radial ball bearing, nominal 12 × 21 × 5 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 21 mm across, 5 mm wide

#6702 bearing, 15 mm hole

Thin-section radial ball bearing, nominal 15 × 21 × 4 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 21 mm across, 4 mm wide

#6802 bearing, 15 mm hole

Thin-section radial ball bearing, nominal 15 × 24 × 5 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 24 mm across, 5 mm wide

#6703 bearing, 17 mm hole

Thin-section radial ball bearing, nominal 17 × 23 × 4 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 23 mm across, 4 mm wide

#6803 bearing, 17 mm hole

Thin-section radial ball bearing, nominal 17 × 26 × 5 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 26 mm across, 5 mm wide

#6004 bearing, 20 mm hole

Single-row deep-groove bearing, open.

Size: 42 mm across, 12 mm wide

#6704 bearing, 20 mm hole

Thin-section radial ball bearing, nominal 20 × 27 × 4 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 27 mm across, 4 mm wide

#6804 bearing, 20 mm hole

Thin-section radial ball bearing, nominal 20 × 32 × 7 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 32 mm across, 7 mm wide

#6705 bearing, 25 mm hole

Thin-section radial ball bearing, nominal 25 × 32 × 4 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 32 mm across, 4 mm wide

#6805 bearing, 25 mm hole

Thin-section radial ball bearing, nominal 25 × 37 × 7 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 37 mm across, 7 mm wide

#6706 bearing, 30 mm hole

Thin-section radial ball bearing, nominal 30 × 37 × 4 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 37 mm across, 4 mm wide

#6806 bearing, 30 mm hole

Thin-section radial ball bearing, nominal 30 × 42 × 7 mm; open, shielded (ZZ) or sealed (2RS) share these sizes.

Size: 42 mm across, 7 mm wide

#Z-bend pushrod

A steel wire link between a servo horn and the arm it moves, with a Z-bend through each hole. You choose the length between the bends and the wire diameter.

Size: You choose the length and wire diameter

#Pushrod bellows seal

A flexible rubber bellows that stops water following a pushrod through the hull wall. Give its sizes, measured on the one you have.

Size: You measure its sizes; fits a hole in the hull wall

#Sealed pivot

Two pins and an O-ring that let a tube swing about an axis across it and stay sealed: for a vent, damper, gimbal or any pivoting cylinder. It puts a ball on the tube's end, and a seat and two lugs on the part it swings from.

Size: Two pins and an O-ring; you choose the tube, pin and swing

#3 mm shaft

Induction-hardened 52100 bearing-steel shaft, g6, cut to your length.

Size: 3 mm across, you choose the length

#3 mm D-flat shaft

Induction-hardened 52100 bearing-steel shaft, g6, cut to your length, with one set-screw flat (D-flat) from one end.

Size: 3 mm across, you choose the length

#4 mm shaft

Induction-hardened 52100 bearing-steel shaft, g6, cut to your length.

Size: 4 mm across, you choose the length

#4 mm D-flat shaft

Induction-hardened 52100 bearing-steel shaft, g6, cut to your length, with one set-screw flat (D-flat) from one end.

Size: 4 mm across, you choose the length

#5 mm shaft

Induction-hardened 52100 bearing-steel shaft, g6, cut to your length.

Size: 5 mm across, you choose the length

#5 mm D-flat shaft

Induction-hardened 52100 bearing-steel shaft, g6, cut to your length, with one set-screw flat (D-flat) from one end.

Size: 5 mm across, you choose the length

#8 mm shaft

Induction-hardened 52100 bearing-steel shaft, g6, cut to your length.

Size: 8 mm across, you choose the length

#8 mm D-flat shaft

Induction-hardened 52100 bearing-steel shaft, g6, cut to your length, with one set-screw flat (D-flat) from one end.

Size: 8 mm across, you choose the length

#60 mm shock envelope

Internal-spring shock: 49.5–60 mm eye centres, 10.5 mm stroke, Ø10 body. Mount eye dimensions require measurement.

Size: 49.5–60 mm eye centres, 10.5 mm stroke

#5 mm stub shaft, M5 end

Nominal Ø5 g6 smooth journal 25 mm long plus an 8 mm M5×0.8 end band; 33 mm total. Use an inboard collar and outboard M5 nyloc with a measured inner-race spacer stack.

Size: 5 mm across, 33 mm long

#5 mm shaft collar

Black-oxide steel collar held by two M4 × 3 set screws.

Size: 11 mm across, 5 mm hole

#5 mm collar with M3 screw

Stainless5 mm bore,10 mm OD,6 mm wide collar with one M3×3 set screw.

Size: 10 mm across, 5 mm hole

#8 mm shaft collar

Black-oxide steel collar held by two M4 × 3 set screws.

Size: 14 mm across, 8 mm hole

#5 mm shaft shim, 0.5 mm thick

Steel axial shim ring for a nominal 5 mm shaft.

Size: 10 mm across, 0.5 mm thick

#GT2 pulley, 20 teeth

20-tooth, 2 mm-pitch pulley for a 6 mm belt, with a 5 mm bore and two M3 grub screws.

Size: 16 mm across, 5 mm hole

#GT2 idler, 40 teeth

40-tooth flanged 2GT idler for 6 mm belt with one press-fitted 676ZZ bearing and 6 mm shaft bore.

Size: 30 mm across, 6 mm hole

#GT2 belt, 6 mm wide

2 mm-pitch, 6 mm-wide long-length belt stock for linear motion, cut to the length you need.

Size: You choose the length

#12 mm linear rail, short carriage

MGN12 rail interface with the standard carriage; rail length is supplied by the learner or selected SKU.

Size: You choose the length

#12 mm linear rail, long carriage

MGN12 rail interface with the long carriage; rail length is supplied by the learner or selected SKU.

Size: You choose the length

#Springs and pins

Compression springs and dowel pins.

#5.33 mm spring, 20.65 mm long

Stainless compression spring, squared and ground ends, 5.33 mm outside, 20.65 mm free length, rate 1.454 N/mm; fits a hole of at least 5.56 mm and a rod of at most 3.81 mm.

Size: 5.33 mm across, 20.65 mm long

#5.99 mm spring, 11 mm long

Stainless compression spring, squared and ground ends, 5.99 mm outside, 11 mm free length, rate 6.047 N/mm; fits a hole of at least 6.4 mm and a rod of at most 4.01 mm.

Size: 5.99 mm across, 11 mm long

#10.8 mm spring, 14 mm long

Stainless compression spring, squared and ground ends, 10.8 mm outside, 14 mm free length, rate 9.37 N/mm; fits a hole of at least 11.3 mm and a rod of at most 7.7 mm.

Size: 10.8 mm across, 14 mm long

#3 mm planet pin

Purchased hardened steel pin; select its length from the actual support stack.

Size: 3 mm across, you choose the length

#2 × 12 mm cross-pin

Purchased hardened steel pin; select its length from the actual support stack.

Size: 2 mm across, 12 mm long

#Boards

Raspberry Pi boards, Pico, compute modules and a radio module.

#Raspberry Pi 5

Official vendor 3D reference, including the supplied assembly components.

Size: 88.5 mm × 57.2 mm × 18.976 mm

#Raspberry Pi Pico

Official vendor 3D reference, including the supplied assembly components.

Size: 21 mm × 52.3 mm × 3.73 mm

#Raspberry Pi Pico W

Official vendor 3D reference, including the supplied assembly components.

Size: 21 mm × 52.35 mm × 3.655 mm

#Raspberry Pi Pico 2

Official vendor 3D reference, including the supplied assembly components.

Size: 21 mm × 52.3 mm × 3.73 mm

#Raspberry Pi Pico 2 H

Official vendor 3D reference, including the supplied assembly components.

Size: 21 mm × 52.3 mm × 12.57 mm

#Compute Module 4S

Official vendor 3D reference, including the supplied assembly components.

Size: 67.6 mm × 31 mm × 4.575 mm

#Compute Module 5

Official vendor 3D reference, including the supplied assembly components.

Size: 55 mm × 40 mm × 4.621 mm

#Compute Module 5 Lite

Official vendor 3D reference, including the supplied assembly components.

Size: 55 mm × 40 mm × 4.621 mm

#Radio Module 2

Official vendor 3D reference, including the supplied assembly components.

Size: 14.5 mm × 16.5 mm × 2.55 mm

#Raspberry Pi 4 Model B

Drawing-based 3D reference with simplified connectors.

Size: 85 mm × 56 mm × 19.4 mm

#Raspberry Pi 3 Model B+

Drawing-based 3D reference with simplified connectors.

Size: 85 mm × 56 mm × 19.4 mm

#Raspberry Pi 3 Model B

Drawing-based 3D reference with simplified connectors.

Size: 85 mm × 56 mm × 19.4 mm

#Raspberry Pi 3 Model A+

Drawing-based 3D reference with simplified connectors.

Size: 65 mm × 56 mm × 11.9 mm

#Raspberry Pi Model B+

Drawing-based 3D reference with simplified connectors.

Size: 85 mm × 56 mm × 19.4 mm

#Raspberry Pi Zero v1.2

Drawing-based 3D reference with simplified connectors.

Size: 65 mm × 30 mm × 4 mm

#Raspberry Pi Zero W

Drawing-based 3D reference with simplified connectors.

Size: 65 mm × 30 mm × 4 mm

#Raspberry Pi Zero 2 W

Drawing-based 3D reference with simplified connectors.

Size: 65 mm × 30 mm × 4 mm

#Motors and servos

A stepper motor, a servo with its horn and a solenoid.

#NEMA 17 stepper motor

Specific 40 mm-body, 5 mm D-shaft motor; not a generic promise about every NEMA 17 motor.

Size: 42.3 mm square, 40 mm long, 5 mm shaft

#540 brushed RC motor

Bare vented 540 motor. Add a separately chosen pinion; no gearbox or 17T gear is included.

Size: Ø35.8 mm × 50 mm can, Ø3.175 mm shaft

#2212 brushless motor

Bare 2212-size brushless outrunner for 2–3S. The same body is sold in 930–2700 KV windings; KV does not change the mounting. Mount it by the four M3 holes in its back; the can spins.

Size: Ø27.5 mm × 30 mm can, Ø3.17 mm shaft

#XL330-M288-T servo

20 × 34 × 23 mm plastic case; sourced mounting bores and DC15 output. Add HNX330-N101 instead of the stock plastic horn.

Size: 20 mm wide, 34 mm high, 23 mm deep

#Micro servo (9 g class)

Hobby PWM micro servo: 22.8 × 11.6 mm case, 22.6 mm deep; one Ø2 hole in each tab, 28.6 mm apart.

Size: 11.6 mm wide, 22.8 mm high, 22.6 mm deep

#Mini servo (32 × 17 mm class)

Hobby PWM mini servo: 32.2 × 16.8 mm case, 31 mm deep; four Ø4.5 tab holes, 39 × 8 mm apart; 24-tooth spline.

Size: 16.8 mm wide, 32.2 mm high, 31 mm deep

#Standard servo (40 × 20 mm class)

Hobby PWM standard servo: 40 × 20 mm case, 36.5 mm deep; four Ø4.5 tab holes, 47.8 × 10.2 mm apart; 24-tooth Ø6 spline.

Size: 20 mm wide, 40 mm high, 36.5 mm deep

#24T servo saver envelope

Purchased spring saver with its specific 24T adapter. Measure envelope before placement; spline, mounting holes and retaining-seat geometry remain unverified.

Size: You measure its envelope; mounting interface unresolved

#Micro servo horn

The single-arm horn that comes with a 9 g micro servo. Give the hole the pushrod goes in: its distance from the output axis and its diameter, measured on your horn.

Size: Fits the servo it came with; you measure the pushrod hole

#HNX330-N101 metal horn

Genuine metal horn: Ø16, four M2 threaded mounting holes on Ø12 PCD; XL330-specific centre retention.

Size: 16 mm across, 5.6 mm deep

#12 V solenoid, 10 mm stroke

12 V open-frame push-pull solenoid: 10 mm stroke, 6 N starting force at 50% duty, a slotted clevis end with a Ø3.2 pin hole and four M3 mounting threads. Drive it through a transistor with a flyback diode.

Size: 29 mm × 25 mm frame, 10 mm stroke

#Cameras, displays and lamps

Camera modules, touch displays and an indicator lamp.

#Camera Module 3 standard

Official vendor 3D reference, including the supplied assembly components.

Size: 23.862 mm × 25 mm × 10.245 mm

#Camera Module 3 wide

Official vendor 3D reference, including the supplied assembly components.

Size: 23.862 mm × 25 mm × 11.4 mm

#Touch Display 2, 5 inch

Official vendor 3D reference, including the supplied assembly components.

Size: 91.46 mm × 143.4 mm × 10.4 mm

#Touch Display 2, 7 inch

Official vendor 3D reference, including the supplied assembly components.

Size: 120.24 mm × 189.32 mm × 9.22 mm

#Touch Display 2, 10 inch

Official vendor 3D reference, including the supplied assembly components.

Size: 166.88 mm × 248.096 mm × 15.6 mm

##47 bayonet lamp, 6.3 V

T-3¼ incandescent pinball lamp on a BA9s bayonet base, 6.3 V 0.15 A, 0.52 mean spherical candlepower; leave air around the glass in a printed cap.

Size: 10 mm across, 30.23 mm long