inkscape, estlcam discrepancy?

New Home Forum Mostly Printed CNC – MPCNC Advice – MPCNC inkscape, estlcam discrepancy?

This topic contains 4 replies, has 3 voices, and was last updated by  Christian Knuell 4 months, 1 week ago.

Viewing 5 posts - 1 through 5 (of 5 total)
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  • #33396

    Dalton Porter
    Participant

    Hi, I wanted to make a simple test pattern to test the squareness of my machine. I used inkscape to draw a 3-4-5 (inches) triangle. When I bring this into Estlcam with my grid set to 25.4mm , it appears slightly smaller than what I saw in inkscape. I expect the 3 and 4 sides to intersect with grid points on both ends. See attached images.
    Am I doing something incorrectly or is one of these programs getting it slightly wrong?
    Thanks.

    #33401

    Ryan
    Keymaster

    Is the stroke on the outside of your path?

    1 user thanked author for this post.
    #33403

    Dalton Porter
    Participant

    Ryan, you are again correct!
    I was going by the W: and H: parameters shown in inkscape, but it appears those are based on the stroke width.
    I changed my stroke width to .01mm and the W: and H: values changed!
    I reset W: and H: to 3,4 after using the new stroke and now it comes in just fine in Estlcam.

    #33405

    Ryan
    Keymaster

    Sweet!

    The only reason I know is I have been messing around with logo’s in inkscape the last three evenings. I am not good with vector based programs so I am fighting to learn it again.

    #33452

    Christian Knuell
    Participant

    Hi,

    Inkscape is generally a bit problematic for CAD / CAM purposes – it is just not designed with this purpose in mind. It is nice for artwork related projects but less for technical stuff.

    Have a look at LibreCAD instead (it is just the opposite: very nice for technical things – very clumsy for artwork)

    Christian

    2 users thanked author for this post.
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