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Missing holes when printing the exported stl file?

anthony_johnston295
anthony_johnston295 Member Posts: 10 ✭
in Community Support

Hi, novice here but getting there..

I design a simple pulley.. couple of circles with extrudes, centre and a hole.. also an imbedded washer extrude..

Part looks perfect in Onshape, exported stl good.. looks perfect on the printer preview..

But when I print it, it's a fully formed result, minus the hole and the washer cut-out?? not what the preview shows!

The hole is under the surface of one end (larger) (I poked through!) but other end is solid and the washer cut-out doesn't even crack a look!..

see pics..

What am I doing wrong for this to not print as displayed?

AJ

Roller onshape1.jpg
Roller makerbot review.jpg
Roller onshape sequence.jpg
Roller onshape2.jpg
Roller onshape3.jpg
Roller print minus holesB.jpg
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Answers

  • martin_kopplow
    martin_kopplow Member Posts: 1,611 PRO

    Sounds like "Exclude invisible parts from Export" isn't activated? I'd try to make ONE solid representing the actual part and export only that.

  • anthony_johnston295
    anthony_johnston295 Member Posts: 10 ✭

    Ok, thanks for the reply.. appreciated..

    So, found out (trial and error) that if I print the thing flat (either way up) the holes and washer cutout are missing..

    BUT if I print the same file standing upright (on edge) or even at a 45 deg angle (with supports) the holes and washer cutout are present and print spot on.. ???

    (of course I have to put up with the supports).. but prints as designed..

    I'm thinking it's a bug in the printing app and nothing to do with Onshape after all..

    I truly appreciate the assist though.. thanks guys.

    AJ

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