Thingiverse

Whiteboard Bot

by td0g

151 Downloads

136 Likes

1 Makes

A whiteboard drawing bot that has three pens and an eraser! A single motor controls the pens and the eraser thanks to a Spherical Geneva Drive. It uses Expo Click retractable markers, which retract when unused to keep the ink from drying.

https://youtu.be/cjOSiXkg0Ww

I will upload the firmware shortly!

Parts:
3x Expo Click dry-erase markers
4x CY-8H 8mm transfer roller bearings
4x 12mm x 2.5mm neodymium magnets
Felt
2x M5 screws (100mm and 55mm long)
30mm x 5mm ID spring
4mm M3 grub screw
7x 6mm M3 screw
4x 8mm M3 screws
2x 10mm M3 screws
2x 12mm M3 screws
4x 20mm M3 screws
2x 25mm M3 screws
2x M3 nuts
2x NEMA 17 pancake motors
2x 16-tooth GT2 pulleys
GT2 Belt
2x 4x10x5 bearings

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Source

Thingiverse

What you need to print this: Intermediate Low confidence

Single piece Hardware needed

Supports 1/3

Assembly 0/3

Settings 1/3

Bed size 0/3

Post-process 1/3

Printer

FDM / FFF

File format