# Slotted hole program?

**URL:** <https://forum.arcdroidcnc.com/t/slotted-hole-program/92>\
**Category:** General Discussion\
**Created:** [November 18, 2022, 9:46pm UTC](https://forum.arcdroidcnc.com/t/slotted-hole-program/92 "2022-11-18T21:46:13Z")\
**Posts on this page:** 7\
**Page:** 1

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**Author:** ![mrhoist1](https://avatars.discourse-cdn.com/v4/letter/m/48db29/32.png) [@mrhoist1](https://forum.arcdroidcnc.com/u/mrhoist1)\
**Post date:** [November 18, 2022, 9:46pm UTC](https://forum.arcdroidcnc.com/t/slotted-hole-program/92/1 "2022-11-18T21:46:13Z")

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other than Fusion 360 what program is there for slotted holes?

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**Author:** ![BobD](https://avatars.discourse-cdn.com/v4/letter/b/bcef8e/32.png) [@BobD](https://forum.arcdroidcnc.com/u/BobD)\
**Post date:** [November 19, 2022, 4:38am UTC](https://forum.arcdroidcnc.com/t/slotted-hole-program/92/2 "2022-11-19T04:38:08Z")

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You can use the trace function. Click the four corners of the slot, then specify rounded corners sized to the slot width to give round ends.

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**Author:** ![Andrew](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.arcdroidcnc.com/andrew/32/52_2.png) [@Andrew](https://forum.arcdroidcnc.com/u/Andrew)\
**Post date:** [November 19, 2022, 8:06pm UTC](https://forum.arcdroidcnc.com/t/slotted-hole-program/92/3 "2022-11-19T20:06:09Z")

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Yup slotted holes are easy

Use the rectangle tool to create a long skinny rectangle. ( You may want to switch the origin to the center of the shape)

And then just change the corner radius (CR:) to ½ your width. Boom instant slot.

Cheers  
AM

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**Author:** ![BenA](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.arcdroidcnc.com/bena/32/165_2.png) [@BenA](https://forum.arcdroidcnc.com/u/BenA)\
**Post date:** [December 12, 2022, 2:28pm UTC](https://forum.arcdroidcnc.com/t/slotted-hole-program/92/4 "2022-12-12T14:28:36Z")

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Is there a way to radius the corners of a triangle without using Fusion 360?

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**Author:** ![BobD](https://avatars.discourse-cdn.com/v4/letter/b/bcef8e/32.png) [@BobD](https://forum.arcdroidcnc.com/u/BobD)\
**Post date:** [December 12, 2022, 3:17pm UTC](https://forum.arcdroidcnc.com/t/slotted-hole-program/92/5 "2022-12-12T15:17:11Z")

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I think with the new firmware release you can easily do this as triangles are now a shape listed. There should be a corner box to select radius of the corner. I haven’t downloaded it yet so this is speculation. You could use the stylus and use a washer as a pattern to make a radius.

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**Author:** ![BenA](https://sea2.discourse-cdn.com/flex016/user_avatar/forum.arcdroidcnc.com/bena/32/165_2.png) [@BenA](https://forum.arcdroidcnc.com/u/BenA)\
**Post date:** [December 12, 2022, 4:05pm UTC](https://forum.arcdroidcnc.com/t/slotted-hole-program/92/6 "2022-12-12T16:05:49Z")

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Thanks for the info. Washer idea is a good idea

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<div class="post-metadata">

**Author:** ![BobD](https://avatars.discourse-cdn.com/v4/letter/b/bcef8e/32.png) [@BobD](https://forum.arcdroidcnc.com/u/BobD)\
**Post date:** [December 12, 2022, 4:32pm UTC](https://forum.arcdroidcnc.com/t/slotted-hole-program/92/7 "2022-12-12T16:32:25Z")

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Washers come in all sizes so a collection is pretty handy for tracing partial arcs. Another really useful tracing tool is a draftsmans French curve. This gives you a lot of curves to work with. They come in various sizes and shapes.