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Laser Cut Parts

Most of the custom parts for the Drawbot are designed to be laser-cut from 1/8 inch acrylic. The plastic will run about $20-$30, excluing cutting.

Purchase Parts

Part Quantity Price Each Source
Arduino UNO 1 $29.95 http://www.adafruit.com/products/50
Adafruit Motor Shield 1 $19.50 http://www.adafruit.com/products/81
NEMA 17 Motor 2 $14.00 http://www.adafruit.com/products/324
End Stop Switch 2 $1.95 http://www.adafruit.com/products/819
Micro Servo 1 $5.95 http://www.adafruit.com/products/169
Servo Extension Cables 2 $2.50 http://www.adafruit.com/products/973
608 Skate Bearings 8-Pack 1 $7.75 http://www.amazon.com/dp/B001U7MQPO
M3 Screws 20mm 1 $4.00 <mcmaster.com> 92095A185
M3 Screws 12mm 1 $5.13 <mcmaster.com> 92095A183
M3 Screws 6mm 1 $5.06 <mcmaster.com> 92095A179
M3 Nuts 1 $1.39 <mcmaster.com> 90591A121
Open Beam 6-Pack 3+ $64.99 http://www.amazon.com/dp/B00C444G6O
Timing Cable* 7+ $2.00 http://openbuildspartstore.com/
Timing Pulley (5MM Shaft) 1 $4.50 http://openbuildspartstore.com/

3D Printing

If you have access to a 3D printer, you might want to 3D print the pen holder, or you can mount a pen to the servo in another way. We used rubberbands and tape before we printed the pen mount.

We also printed our own timing pulley, instead of ordering it.