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| author | Orangerot <purple@orangerot.dev> | 2025-07-09 17:17:35 +0200 |
|---|---|---|
| committer | Orangerot <purple@orangerot.dev> | 2025-07-09 17:17:35 +0200 |
| commit | 93fa69d6f206ed15528a5064903fbbbd558c3062 (patch) | |
| tree | 6f090e404976699729f58f4648a79dae760b87ad /geeboard_case | |
| parent | e1f0b5147d6edd626b9e177dd482687331638a6f (diff) | |
feat: remodel case in openscadopenscad-case
Diffstat (limited to 'geeboard_case')
| -rw-r--r-- | geeboard_case/geeboard_case.scad | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/geeboard_case/geeboard_case.scad b/geeboard_case/geeboard_case.scad new file mode 100644 index 0000000..c817e67 --- /dev/null +++ b/geeboard_case/geeboard_case.scad @@ -0,0 +1,30 @@ +module rounded_square(dimensions, radius, center=true) { + minkowski(){ + square(dimensions - 2 * [radius,radius], center=center); + circle(radius); + } +} + +CASE_WIDTH = 245; +CASE_HEIGHT = 92; +CASE_THICKNESS = 6.0; +SCREW_DIAMETER = 3.0; +SCREW_OFFSET = 4; +// solution and simplification of +// 2*(INNER_RADIUS+CASE_THICKNESS)^2 = (INNER_RADIUS+OUTER_RADIUS+sqrt(2 * SCREW_OFFSET ^ 2))^2 +// INNER_RADIUS = sqrt(2) * (2 * SCREW_OFFSET - CASE_THICKNESS) + 3 * SCREW_OFFSET - 2 * CASE_THICKNESS; +INNER_RADIUS = (2 + sqrt(2)) * (2 * SCREW_OFFSET - CASE_THICKNESS) - SCREW_OFFSET; + +echo("INNER_RADIUS=", INNER_RADIUS); + + +difference() { + + rounded_square([245,92], SCREW_OFFSET); + translate([+(CASE_WIDTH/2 - SCREW_OFFSET), +(CASE_HEIGHT/2 - SCREW_OFFSET)]) circle(SCREW_DIAMETER / 2); + translate([+(CASE_WIDTH/2 - SCREW_OFFSET), -(CASE_HEIGHT/2 - SCREW_OFFSET)]) circle(SCREW_DIAMETER / 2); + translate([-(CASE_WIDTH/2 - SCREW_OFFSET), +(CASE_HEIGHT/2 - SCREW_OFFSET)]) circle(SCREW_DIAMETER / 2); + translate([-(CASE_WIDTH/2 - SCREW_OFFSET), -(CASE_HEIGHT/2 - SCREW_OFFSET)]) circle(SCREW_DIAMETER / 2); + rounded_square([245 - 2 * CASE_THICKNESS,92 - 2 * CASE_THICKNESS], INNER_RADIUS); +} + |