QCAD.org Forum

Absolutely, it would be an honor to have the files included in future QCAD/CAM releases. That's the beauty of forums, sharing knowledge.

Ed

The Anilam Crusader 2 CNC is quite old and has some unique requirements in it's gcode file. Two of the oddities I've found while working with a friends CNC is that the arc commands, G2/G3, require that the I/J values be in absolute mode. However, When in that mode, viewers like the one at NCViewer.c...

I don't have a 3D image to test but MenuBar/View/Zoom/Pan Zoom(ZP) pans the image.

Oops, not related to origin shifting.

I found two references to zSafety in C:\Program Files\QCADCAM\scripts\Cam\CamConfigurations\GCode.js.

Try setting the value of ZS in MenuBar/CAM Configuration/Z Levels/Safety level. If you want to use the same value for all jobs then put it directly in the header.

In your commit link, I see a variable called "radiusLimit". Perhaps that's the clue to solving the problem. The DXF2GCODE program allows the user to set a value. I used a value of 750mm and it solved the problem. Without the limit, that program also produced very large circles on the rib underside. ...

The 1/8" x 3/4" balsa at the tail passes through the slot tilted at 35°. That's why the slot is about 1" deep. That piece of balsa is slotted along the back edge for the elevon hinges. The elevons and trailing edge pieces are 3/8" x 2" symmetrically tapered aileron stock. The leading and trailing ed...

In addition to arc radius too high, arc angle might need a lower limit. It depends on whether the calculation is done in float or double.

The DXF2GCODE program explodes splines into a combination of arcs and lines. The arcs never have a large radius because I limit the value to 750mm. In one of the successful runs, it was 175mm. Maybe that's the secret, limited radii. When it had no limit to radii then it produced the large circle. Th...

The rectangle is just four individual lines. The balsa needs a narrow slot for the spar but the foam version has the slot widened because the spar passes through at a 35° angle and the balsa on one side is offset horizontally by 2.8mm from the other side. It's easier for me to do that with a four li...

Here's the DXF for the companion piece. It does not work for an outside cut even though the splines are exploded.

PS
This should have gone in a previous post. I tried to delete here and repost elsewhere but it won't let me.

In this particular PNG, the sequence would probably be the same, inside holes then outer perimeter. I don't have a particular case where I would want to select a different sequence. My objects are usually airplane parts cut with a laser. In most cases, the laser cut width is very small so cutting "O...

That's what I was afraid of. In some cases, that's going to be rather cumbersome. For my present project with multiple ribs on one sheet, it's not a problem as I can do all the inside holes first then all the outside perimeters last. I was hoping for a way of turning off the optimizing function. Tha...

I have multiple holes to laser cut in several pieces in one session. I select them in the sequence I want for a particular tool path but the simulator shows an entirely different pattern. Where is the optimizer or sequence generated and how do I turn it off?

I just discovered that if I also explode the upper spline then it will work correctly going the other direction. Both splines are stressing the calculations.