BOSL2 Newbie Question
Hello, all! In an attempt to teach myself about BOSL2 attachables, I am
trying to model a simple PC board.
I create the board and then drill some mounting holes.
Now, how do I add a component and attach it to the PCB?
Obviously, I'm missing some key concepts about how to use attachables.
The attached code illustrates what I have tried and does not work.
Any ideas? Thanks! Len
//
---========
include <BOSL2/std.scad>
MCUboardXYZ = [ 65.98, 2.025.4, 1.63];
MCUboardHoleOffsetsXY = [25.4[2.505,2-.09994], 25.4*[2.51,2-1.89494]];
MCUboardHoleD = 0.125*25.4;
MCUBoardPowerSupplyXYZ = [ 21, 35, 15.25];
MCUBoardPowerSUpplyOffsets = [ -0.127, MCUboardXYZ.y-42.672, 0];
MCUboardBOSL2();
module MCUboardBOSL2()
{
diff("holes")
{
cube(MCUboardXYZ, center=false)
tag("holes")
for (i=MCUboardHoleOffsetsXY)
{
move( [i.x, i.y, -0.001 ] )
position(FRONT+LEFT+BOTTOM)
cylinder(h = 2*MCUboardXYZ.z, d=MCUboardHoleD, center=false);
}
}
// left(0.34) back(MCUBoardPowerSUpplyOffsets.y)
// position(BACK+LEFT+BOTTOM)
cube(MCUBoardPowerSupplyXYZ);
}
You aren't very clear about what you actually want to do in this question.
But one thing is obviously giving you trouble: your cube at the bottom is
not a child of the main cube that defines the board. Attachments work by
being children of other objects. So for example:
include <BOSL2/std.scad>
MCUboardXYZ = [ 65.98, 2.025.4, 1.63];
MCUboardHoleOffsetsXY = [25.4[2.505,2-.09994], 25.4*[2.51,2-1.89494]];
MCUboardHoleD = 0.125*25.4;
MCUBoardPowerSupplyXYZ = [ 21, 35, 15.25];
MCUBoardPowerSUpplyOffsets = [ -0.127, MCUboardXYZ.y-42.672, 0];
MCUboardBOSL2();
module MCUboardBOSL2()
{
diff("holes")
{
cube(MCUboardXYZ, center=false)
{
tag("holes")
for (i=MCUboardHoleOffsetsXY)
{
move( [i.x, i.y, -0.001 ] )
position(FRONT+LEFT+BOTTOM)
cylinder(h = 2*MCUboardXYZ.z, d=MCUboardHoleD, center=false);
}
align(BACK+TOP)
cube(MCUBoardPowerSupplyXYZ);
}
}
}
On Mon, Feb 5, 2024 at 8:14 PM Leonard Martin Struttmann via Discuss <
discuss@lists.openscad.org> wrote:
Hello, all! In an attempt to teach myself about BOSL2 attachables, I am
trying to model a simple PC board.
I create the board and then drill some mounting holes.
Now, how do I add a component and attach it to the PCB?
Obviously, I'm missing some key concepts about how to use attachables.
The attached code illustrates what I have tried and does not work.
Any ideas? Thanks! Len
//
---========
include <BOSL2/std.scad>
MCUboardXYZ = [ 65.98, 2.025.4, 1.63];
MCUboardHoleOffsetsXY = [25.4[2.505,2-.09994], 25.4*[2.51,2-1.89494]];
MCUboardHoleD = 0.125*25.4;
MCUBoardPowerSupplyXYZ = [ 21, 35, 15.25];
MCUBoardPowerSUpplyOffsets = [ -0.127, MCUboardXYZ.y-42.672, 0];
MCUboardBOSL2();
module MCUboardBOSL2()
{
diff("holes")
{
cube(MCUboardXYZ, center=false)
tag("holes")
for (i=MCUboardHoleOffsetsXY)
{
move( [i.x, i.y, -0.001 ] )
position(FRONT+LEFT+BOTTOM)
cylinder(h = 2*MCUboardXYZ.z, d=MCUboardHoleD, center=false);
}
}
// left(0.34) back(MCUBoardPowerSUpplyOffsets.y)
// position(BACK+LEFT+BOTTOM)
cube(MCUBoardPowerSupplyXYZ);
}
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Thanks, Adrian! That was exactly the tip that I needed.
On Fri, Feb 9, 2024 at 4:16 PM Adrian Mariano via Discuss <
discuss@lists.openscad.org> wrote:
You aren't very clear about what you actually want to do in this
question. But one thing is obviously giving you trouble: your cube at the
bottom is not a child of the main cube that defines the board. Attachments
work by being children of other objects. So for example:
include <BOSL2/std.scad>
MCUboardXYZ = [ 65.98, 2.025.4, 1.63];
MCUboardHoleOffsetsXY = [25.4[2.505,2-.09994], 25.4*[2.51,2-1.89494]];
MCUboardHoleD = 0.125*25.4;
MCUBoardPowerSupplyXYZ = [ 21, 35, 15.25];
MCUBoardPowerSUpplyOffsets = [ -0.127, MCUboardXYZ.y-42.672, 0];
MCUboardBOSL2();
module MCUboardBOSL2()
{
diff("holes")
{
cube(MCUboardXYZ, center=false)
{
tag("holes")
for (i=MCUboardHoleOffsetsXY)
{
move( [i.x, i.y, -0.001 ] )
position(FRONT+LEFT+BOTTOM)
cylinder(h = 2*MCUboardXYZ.z, d=MCUboardHoleD, center=false);
}
align(BACK+TOP)
cube(MCUBoardPowerSupplyXYZ);
}
}
}
On Mon, Feb 5, 2024 at 8:14 PM Leonard Martin Struttmann via Discuss <
discuss@lists.openscad.org> wrote:
Hello, all! In an attempt to teach myself about BOSL2 attachables, I am
trying to model a simple PC board.
I create the board and then drill some mounting holes.
Now, how do I add a component and attach it to the PCB?
Obviously, I'm missing some key concepts about how to use attachables.
The attached code illustrates what I have tried and does not work.
Any ideas? Thanks! Len
//
---========
include <BOSL2/std.scad>
MCUboardXYZ = [ 65.98, 2.025.4, 1.63];
MCUboardHoleOffsetsXY = [25.4[2.505,2-.09994], 25.4*[2.51,2-1.89494]];
MCUboardHoleD = 0.125*25.4;
MCUBoardPowerSupplyXYZ = [ 21, 35, 15.25];
MCUBoardPowerSUpplyOffsets = [ -0.127, MCUboardXYZ.y-42.672, 0];
MCUboardBOSL2();
module MCUboardBOSL2()
{
diff("holes")
{
cube(MCUboardXYZ, center=false)
tag("holes")
for (i=MCUboardHoleOffsetsXY)
{
move( [i.x, i.y, -0.001 ] )
position(FRONT+LEFT+BOTTOM)
cylinder(h = 2*MCUboardXYZ.z, d=MCUboardHoleD, center=false);
}
}
// left(0.34) back(MCUBoardPowerSUpplyOffsets.y)
// position(BACK+LEFT+BOTTOM)
cube(MCUBoardPowerSupplyXYZ);
}
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