| 1 | /* measured with calipers */ |
| 2 | ball_diameter = 11 + 0.75; // extra bit added for printing imprecision |
| 3 | ball_radius = ball_diameter / 2; |
| 4 | |
| 5 | standoff_height = 60; // kyle eyeballed |
| 6 | |
| 7 | gap = 3; |
| 8 | wall_thickness = 1; |
| 9 | holder_floor = 3; |
| 10 | holder_arms_length = 20; |
| 11 | holder_height = |
| 12 | holder_floor + holder_arms_length + (11 / 16) * ball_diameter; |
| 13 | |
| 14 | holder_radius = ball_radius + wall_thickness; |
| 15 | holder_diameter = holder_radius * 2; |
| 16 | |
| 17 | standoff_radius = holder_radius; // 0.580 / 2 inches from spec sheet |
| 18 | standoff_lower_portion_height = standoff_height - holder_height; |
| 19 | |
| 20 | // eyeballed caster flange height, (0.580/5) inches, times 2 to be stronger |
| 21 | caster_flange_height = 5; |
| 22 | caster_flange_width = 20.32; // 0.800 inches |
| 23 | |
| 24 | deck_pitch = 25.4; // measured center to center on grid on pegboard |
| 25 | deck_flange_height = 2.9464; |
| 26 | deck_flange_screw_radius = 3.556 / 2; // For #6 machine screws |
| 27 | deck_flange_radius = (deck_pitch) / 2 + deck_flange_screw_radius + 3; |