Stainless steel cheese head screws 4M x 50mm from Anzor with 3 x nylocks and 4 washers , $2.10NZD each assembly so $6.30NZD per motor. Plastic was what I had lying around. but TM sellers sell sizes,
Perspex/acrylic sheet - 3.0mm thick | Trade Me
about $10NZD.
This one cracked as I did it up in a couple of spots so I'll order a 5mm thick acylic piece from the above. In fact 2 as I want a base plate for the arduino.
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