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Merge branch 'martinbudden-core_xy_orientation'

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Chris Palmer 2021-04-26 00:01:40 +01:00
commit 634deab911
2 changed files with 10 additions and 9 deletions
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4
readme.md
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@ -5685,8 +5685,8 @@ allows flexible positioning of the motors.
### Modules
| Module | Description |
|:--- |:--- |
| `coreXY(type, size, pos, separation, x_gap, plain_idler_offset = 0, upper_drive_pulley_offset, lower_drive_pulley_offset, show_pulleys = false)` | Wrapper module to draw both belts of a coreXY setup |
| `coreXY_belts(type, carriagePosition, coreXYPosBL, coreXYPosTR, separation, x_gap = 20, upper_drive_pulley_offset = [0, 0], lower_drive_pulley_offset = [0, 0], show_pulleys = false)` | Draw the coreXY belts |
| `coreXY(type, size, pos, separation, x_gap, plain_idler_offset = 0, upper_drive_pulley_offset, lower_drive_pulley_offset, show_pulleys = false, left_lower = false)` | Wrapper module to draw both belts of a coreXY setup |
| `coreXY_belts(type, carriagePosition, coreXYPosBL, coreXYPosTR, separation, x_gap = 20, upper_drive_pulley_offset = [0, 0], lower_drive_pulley_offset = [0, 0], show_pulleys = false, left_lower = false)` | Draw the coreXY belts |
| `coreXY_half(type, size, pos, separation_y = 0, x_gap = 0, plain_idler_offset = 0, drive_pulley_offset = [0, 0], show_pulleys = false, lower_belt = false, hflip = false)` | Draw one belt of a coreXY setup |
![core_xy](tests/png/core_xy.png)

15
utils/core_xy.scad
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@ -180,24 +180,25 @@ module coreXY_half(type, size, pos, separation_y = 0, x_gap = 0, plain_idler_off
tooth_colour = lower_belt ? coreXY_lower_tooth_colour(type) : coreXY_upper_tooth_colour(type));
}
module coreXY(type, size, pos, separation, x_gap, plain_idler_offset = 0, upper_drive_pulley_offset, lower_drive_pulley_offset, show_pulleys = false) { //! Wrapper module to draw both belts of a coreXY setup
module coreXY(type, size, pos, separation, x_gap, plain_idler_offset = 0, upper_drive_pulley_offset, lower_drive_pulley_offset, show_pulleys = false, left_lower = false) { //! Wrapper module to draw both belts of a coreXY setup
translate([size.x / 2 - separation.x / 2, size.y / 2, -separation.z / 2]) {
// lower belt
hflip()
hflip(!left_lower)
explode(25)
coreXY_half(type, size, [size.x - pos.x - separation.x, pos.y], separation.y, x_gap, plain_idler_offset, [-lower_drive_pulley_offset.x, lower_drive_pulley_offset.y], show_pulleys, lower_belt = true, hflip = true);
coreXY_half(type, size, [size.x - pos.x - separation.x/2 - (left_lower ? x_gap : 0), pos.y], separation.y, x_gap, plain_idler_offset, [-lower_drive_pulley_offset.x, lower_drive_pulley_offset.y], show_pulleys, lower_belt = true, hflip = true);
// upper belt
translate([separation.x, 0, separation.z])
explode(25)
coreXY_half(type, size, [pos.x, pos.y], separation.y, x_gap, plain_idler_offset, upper_drive_pulley_offset, show_pulleys, lower_belt = false, hflip=false);
hflip(left_lower)
explode(25)
coreXY_half(type, size, [pos.x + separation.x/2 + (left_lower ? x_gap : 0), pos.y], separation.y, x_gap, plain_idler_offset, upper_drive_pulley_offset, show_pulleys, lower_belt = false, hflip = false);
}
}
module coreXY_belts(type, carriagePosition, coreXYPosBL, coreXYPosTR, separation, x_gap = 20, upper_drive_pulley_offset = [0, 0], lower_drive_pulley_offset = [0, 0], show_pulleys = false) { //! Draw the coreXY belts
module coreXY_belts(type, carriagePosition, coreXYPosBL, coreXYPosTR, separation, x_gap = 20, upper_drive_pulley_offset = [0, 0], lower_drive_pulley_offset = [0, 0], show_pulleys = false, left_lower = false) { //! Draw the coreXY belts
assert(coreXYPosBL.z == coreXYPosTR.z);
coreXYSize = coreXYPosTR - coreXYPosBL;
translate(coreXYPosBL)
coreXY(type, coreXYSize, [carriagePosition.x - coreXYPosBL.x + separation.x / 2, carriagePosition.y - coreXYPosBL.y], separation = separation, x_gap = x_gap, plain_idler_offset = 0, upper_drive_pulley_offset = upper_drive_pulley_offset, lower_drive_pulley_offset = lower_drive_pulley_offset, show_pulleys = show_pulleys);
coreXY(type, coreXYSize, [carriagePosition.x - coreXYPosBL.x, carriagePosition.y - coreXYPosBL.y], separation = separation, x_gap = x_gap, plain_idler_offset = 0, upper_drive_pulley_offset = upper_drive_pulley_offset, lower_drive_pulley_offset = lower_drive_pulley_offset, show_pulleys = show_pulleys, left_lower = left_lower);
}