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Baseplate - Add support for crush ribs and chamfering the magnet holes

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* Updated tests
This commit is contained in:
Arthur Moore 2024-04-30 08:11:29 -04:00
parent 6f4e3b590e
commit e34a25d640
3 changed files with 52 additions and 12 deletions
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23
gridfinity-rebuilt-baseplate.scad
View file

@ -50,22 +50,29 @@ fity = 0; // [-1:0.1:1]
// baseplate styles
style_plate = 0; // [0: thin, 1:weighted, 2:skeletonized, 3: screw together, 4: screw together minimal]
// enable magnet hole
enable_magnet = true;
// hole styles
style_hole = 2; // [0:none, 1:countersink, 2:counterbore]
/* [Magnet Hole] */
// Baseplate will have holes for 6mm Diameter x 2mm high magnets.
enable_magnet = true;
// Magnet holes will have crush ribs to hold the magnet.
crush_ribs = true;
// Magnet holes will have a chamfer to ease insertion.
chamfer_holes = true;
hole_options = bundle_hole_options(refined_hole=false, magnet_hole=enable_magnet, screw_hole=false, crush_ribs=crush_ribs, chamfer=chamfer_holes, supportless=false);
// ===== IMPLEMENTATION ===== //
color("tomato")
gridfinityBaseplate(gridx, gridy, l_grid, distancex, distancey, style_plate, enable_magnet, style_hole, fitx, fity);
gridfinityBaseplate(gridx, gridy, l_grid, distancex, distancey, style_plate, hole_options, style_hole, fitx, fity);
// ===== CONSTRUCTION ===== //
module gridfinityBaseplate(gridx, gridy, length, dix, diy, sp, sm, sh, fitx, fity) {
module gridfinityBaseplate(gridx, gridy, length, dix, diy, sp, hole_options, sh, fitx, fity) {
assert(gridx > 0 || dix > 0, "Must have positive x grid amount!");
assert(gridy > 0 || diy > 0, "Must have positive y grid amount!");
@ -75,7 +82,7 @@ module gridfinityBaseplate(gridx, gridy, length, dix, diy, sp, sm, sh, fitx, fit
dx = max(gx*length-bp_xy_clearance, dix);
dy = max(gy*length-bp_xy_clearance, diy);
off = calculate_offset(sp, sm, sh);
off = calculate_offset(sp, hole_options[1], sh);
offsetx = dix < dx ? 0 : (gx*length-bp_xy_clearance-dix)/2*fitx*-1;
offsety = diy < dy ? 0 : (gy*length-bp_xy_clearance-diy)/2*fity*-1;
@ -105,10 +112,8 @@ module gridfinityBaseplate(gridx, gridy, length, dix, diy, sp, sm, sh, fitx, fit
hole_pattern(){
if (sm) {
mirror([0, 0, 1])
block_base_hole(bundle_hole_options(magnet_hole=true));
}
mirror([0, 0, 1])
block_base_hole(hole_options);
translate([0,0,-off-TOLLERANCE])
if (sh == 1) cutter_countersink();

2
tests/gridfinity-rebuilt-baseplate.json
View file

@ -8,6 +8,8 @@
"d_screw_head": "5",
"distancex": "0",
"distancey": "0",
"chamfer_holes": "true",
"crush_ribs": "true",
"enable_magnet": "true",
"fitx": "0",
"fity": "0",

39
tests/test_baseplate.py
View file

@ -38,13 +38,42 @@ class TestBasePlateHoles(unittest.TestCase):
self.scad_runner.camera_arguments = self.scad_runner.camera_arguments.with_rotation(CameraRotations.AngledTop)
self.scad_runner.create_image([], Path('no_holes_top.png'))
def test_only_magnet_holes(self):
def test_plain_magnet_holes(self):
vars = self.scad_runner.parameters
vars["enable_magnet"] = True
vars["style_hole"] = 0
self.scad_runner.create_image([], Path('only_magnet_holes_bottom.png'))
vars["chamfer_holes"] = False
vars["crush_ribs"] = False
self.scad_runner.create_image([], Path('magnet_holes_bottom.png'))
self.scad_runner.camera_arguments = self.scad_runner.camera_arguments.with_rotation(CameraRotations.AngledTop)
self.scad_runner.create_image([], Path('only_magnet_holes_top.png'))
self.scad_runner.create_image([], Path('plain_magnet_holes_top.png'))
def test_chamfered_magnet_holes(self):
vars = self.scad_runner.parameters
vars["enable_magnet"] = True
vars["style_hole"] = 0
vars["chamfer_holes"] = True
vars["crush_ribs"] = False
self.scad_runner.camera_arguments = self.scad_runner.camera_arguments.with_rotation(CameraRotations.AngledTop)
self.scad_runner.create_image([], Path('chamfered_magnet_holes.png'))
def test_ribbed_magnet_holes(self):
vars = self.scad_runner.parameters
vars["enable_magnet"] = True
vars["style_hole"] = 0
vars["chamfer_holes"] = False
vars["crush_ribs"] = True
self.scad_runner.camera_arguments = self.scad_runner.camera_arguments.with_rotation(CameraRotations.AngledTop)
self.scad_runner.create_image([], Path('ribbed_magnet_holes.png'))
def test_chamfered_and_ribbed_magnet_holes(self):
vars = self.scad_runner.parameters
vars["enable_magnet"] = True
vars["style_hole"] = 0
vars["chamfer_holes"] = True
vars["crush_ribs"] = True
self.scad_runner.camera_arguments = self.scad_runner.camera_arguments.with_rotation(CameraRotations.AngledTop)
self.scad_runner.create_image([], Path('chamfered_and_ribbed_magnet_holes.png'))
def test_only_countersunk_screw_holes(self):
vars = self.scad_runner.parameters
@ -65,6 +94,8 @@ class TestBasePlateHoles(unittest.TestCase):
def test_magnet_and_countersunk_screw_holes(self):
vars = self.scad_runner.parameters
vars["enable_magnet"] = True
vars["chamfer_holes"] = False
vars["crush_ribs"] = False
vars["style_hole"] = 1
self.scad_runner.create_image([], Path('magnet_and_countersunk_screw_holes_bottom.png'))
self.scad_runner.camera_arguments = self.scad_runner.camera_arguments.with_rotation(CameraRotations.AngledTop)
@ -73,6 +104,8 @@ class TestBasePlateHoles(unittest.TestCase):
def test_magnet_and_counterbored_screw_holes(self):
vars = self.scad_runner.parameters
vars["enable_magnet"] = True
vars["chamfer_holes"] = False
vars["crush_ribs"] = False
vars["style_hole"] = 2
self.scad_runner.create_image([], Path('magnet_and_counterbored_screw_holes_bottom.png'))
self.scad_runner.camera_arguments = self.scad_runner.camera_arguments.with_rotation(CameraRotations.AngledTop)