Nurd Plotter

Nurd Plotter
Participants	Melan
Skills
Status	Active
Niche	Artsy stuff
Purpose	Tool
Tool	No
Location
Cost
Tool category	Fabrication

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To teach myself more about electronics, as well as to finally step into the world of stepper-motors I would like to try to make a plotter. Since I don't know enough yet to completely design one from scratch, it will be build after Ben's PlottyBot as he did an excellent write-up on how he did his. It also has limiter-switches for homing and a servo that can move the pencil up and down, as well as an adjustable pen holder.

Right now this project is still in an "can I?" and "sourcing parts" state.

Parts

Note: I'm not including the raspberry pi zero in the part list because I still have one laying around.

Item	Units	State	Link	Price	Remarks
12V power supply	1	-	-	0	Sourcing this part isn't an issue. 2~3A seems to be enough.
5v regulator	1	-	-	0	Should have a couple laying around
SG90 Servo	1	-	-	0	Can probably source from somewhere
8mm x 450mm Linear rod	2	2	-	-	Got the needed rods that are slightly longer
8mm x 350mm Linear rod	2	2	-	-	Got the needed rods that are slightly longer
3mm x 100mm Linear rod	2	-	-	?	Got one so far from a CD drive
LM8UU linear bearings	8	4	-	-	Got 4 so far, need 4 more!
2 Meter GT2 Timing Belt	1	-	https://www.aliexpress.com/item/1005001469085218.html	€0,73	-
4mmx13mmx5mm ball bearings	10	-	-	-	-
40mm cooling fan	2	-	https://www.aliexpress.com/item/1005003663915828.html	2x €4,71	I want to go with PWM controlled fans
Nema 17 Bipolar 40mm 64oz.in(45Ncm) 2A stepper	2	2	-		Got 2 steppers, just need cables!
A3967 EasyDriver	2	-	https://www.aliexpress.com/item/4000200930571.html	2x €2,31	Ordered 2!
Heatsinks	2	-	https://www.aliexpress.com/item/32817339178.html	€1,66	Comes in a 4 pack
Rubber Feet	14	-	-	-	Can probably buy them at the Action
M4 flat washers inside: 4.3m, item: 9m thickness: 0.8m	50	-	-	-
M4 x 0.7mm 304 lock nuts	50	-	-	-
M4 x 10mm thumb screws	15	-	-	-

Probably is incomplete and or need more parts to be bought.

Resources

- https://ben.akrin.com/plottybot/

- https://www.youtube.com/watch?v=LUbhPKBL_IU