declutter catear_v3

2025-07-08 12:51:04 +02:00 · 2025-07-08 12:51:04 +02:00 · 165c80b1d4
commit 165c80b1d4
parent d47be5dbc6
2 changed files with 30 additions and 21 deletions
--- a/primitives.scad
+++ b/primitives.scad
@ -14,6 +14,12 @@ mat_T = function (mat) [
  ]
 ];

+rotation_matrix = function(a) [
+  [cos(a), -sin(a), 0],
+  [sin(a),  cos(a), 0],
+  [     0,       0, 1]
+];
+
 bezier_matrix = [[1, -3,  3, -1],
                 [0,  3, -6,  3],
                 [0,  0,  3, -3],