separate dimensions from form

[challenge-bot] / 3d-printables / motor-mount-dimensions.scad

diff --git a/3d-printables/motor-mount-dimensions.scad b/3d-printables/motor-mount-dimensions.scad
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+// from schematic http://goo.gl/96RKol
+collar_radius = 9.2 / 2 + 0.25;
+nubbin_radius = 4.48 / 2;
+screw_radius = 2.9 / 2 + 0.35; // a little bigger so screws fit through
+
+motor_height = 22.23;
+
+// http://freespace.virgin.net/matt.waite/resource/handy/screwsize.htm
+_6_radius = 3.5 / 2 + 0.25;
+
+// measurements we made up:
+mount_total_x = 38;
+mount_total_y = mount_total_x;
+mount_total_z = 3.175; // 3/16 in mm