# Hooks and grooves?

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## Hooks and grooves?

 Hello, algorithmically inclined CAD people, I find myself in need of a hook-and-groove system (to put a bottom or a lid on a box). The problem is that the edge may (a) have less than 90° (think "base of a pyramid") and (b) may need to be inset by some amount (think "heavily mitered edges"). Is there code out there which does that? While I'm no stranger to 3-D geometry math, re-inventing the wheel isn't my favorite pastime. -- -- Matthias Urlichs _______________________________________________ OpenSCAD mailing list [hidden email] http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
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## Re: Hooks and grooves?

 Try https://www.thingiverse.com/ it's  like Google search for 3D models and has some OpenScad On 10/4/19, Matthias Urlichs via Discuss <[hidden email]> wrote: > Hello, algorithmically inclined CAD people, > > I find myself in need of a hook-and-groove system (to put a bottom or a > lid on a box). The problem is that the edge may (a) have less than 90° > (think "base of a pyramid") and (b) may need to be inset by some amount > (think "heavily mitered edges"). > > Is there code out there which does that? While I'm no stranger to 3-D > geometry math, re-inventing the wheel isn't my favorite pastime. > > -- > -- Matthias Urlichs > > > > _______________________________________________ > OpenSCAD mailing list > [hidden email] > http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org> _______________________________________________ OpenSCAD mailing list [hidden email] http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
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## Hooks and grooves?

 In reply to this post by OpenSCAD mailing list On Fri Oct 04 06:11:48 PDT 2019 [hidden email] said: >I find myself in need of a hook-and-groove system (to put a bottom or a >lid on a box). The problem is that the edge may (a) have less than 90° >(think "base of a pyramid") and (b) may need to be inset by some amount I've been using simple dovetail joints. -- Tigers prowl and Dragons soar in my dreams..._______________________________________________ OpenSCAD mailing list [hidden email] http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
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## Re: Hooks and grooves?

 On 04.10.19 17:13, John Lussmyer wrote: > I've been using simple dovetail joints. Umm, well, for a somewhat-removeable lid (which doesn't slide off on its own when mounted upside down – I need them for an enclose of a ceiling/corner-mounted room monitor) these are probably not the right choice. I'm looking for something that locks with a snap-in and doesn't require tight tolerances. Of course I know about Thingiverse, but I didn't find anything remotely suitable. -- -- Matthias Urlichs _______________________________________________ OpenSCAD mailing list [hidden email] http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
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## Re: Hooks and grooves?

 You could give this a try. It's based on the pins from the gear-cube, but I've reworked the design very heavily. It is written I. Openscad of course 😊On Sat, 5 Oct 2019, 14:23 Matthias Urlichs via Discuss, <[hidden email]> wrote:On 04.10.19 17:13, John Lussmyer wrote: > I've been using simple dovetail joints. Umm, well, for a somewhat-removeable lid (which doesn't slide off on its own when mounted upside down – I need them for an enclose of a ceiling/corner-mounted room monitor) these are probably not the right choice. I'm looking for something that locks with a snap-in and doesn't require tight tolerances. Of course I know about Thingiverse, but I didn't find anything remotely suitable. -- -- Matthias Urlichs _______________________________________________ OpenSCAD mailing list [hidden email] http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org _______________________________________________ OpenSCAD mailing list [hidden email] http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
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## Re: Hooks and grooves?

 In reply to this post by OpenSCAD mailing list Some slanted finger joints, perhaps.A sábado, 5/10/2019, 19:23, Matthias Urlichs via Discuss <[hidden email]> escreveu:On 04.10.19 17:13, John Lussmyer wrote: > I've been using simple dovetail joints. Umm, well, for a somewhat-removeable lid (which doesn't slide off on its own when mounted upside down – I need them for an enclose of a ceiling/corner-mounted room monitor) these are probably not the right choice. I'm looking for something that locks with a snap-in and doesn't require tight tolerances. Of course I know about Thingiverse, but I didn't find anything remotely suitable. -- -- Matthias Urlichs _______________________________________________ OpenSCAD mailing list [hidden email] http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org _______________________________________________ OpenSCAD mailing list [hidden email] http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org
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## Re: Hooks and grooves?

 I'm not sure I understand the original poster's intention.  I have recently designed the following.  Is this the idea?  It is a box with a lid that slides into place held in a triangular groove.   (Unfortunately my application had the object on the dashboard of my car which turns out to be too hot for PLA.)   -- Sent from: http://forum.openscad.org/_______________________________________________ OpenSCAD mailing list [hidden email] http://lists.openscad.org/mailman/listinfo/discuss_lists.openscad.org