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Here's a CNC*-machined round base. made from 6mm (about 1/4")
thick expanded rigid PVC. This stuff is very lightweight, yet is
amazingly strong. It generates little static electricity (as opposed to
acrylic, which generates static copiously), and can be readily cut and
drilled.
You can stack several of these discs to create multiple
"decks" for your robot. Unlike metal or most other plastics,
these PVC discs add little weight of their own. You can stack 4, 5, and
even more discs to create a multiple topping 'bot! (Though we recommend
no more than three decks, to minimize the chance of the robot tipping
over.)
The bases are available in several diameters, to suit most any
tabletop robot design: 10 centimeters (a shade less than 4", ideal
for mini-sumo), 5", 6", 7", and 8", with pre-drilled
mounting holes. The center hole is 3/8" diameter; there are 12
equally-spaced 1/8" diameter holes 1/2" from the outside rim
of the disc (1/4" for the 10 cm and 5" discs). You can, of
course, drill additional holes as needed. Available in colors.
*CNC stands for computer numerically controlled. To prepare these
bases (and many other products we provide), we use a computer operating
a high-speed precision CNC router that has an accuracy of greater than
0.001". |
