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givc commented on Pike: To Exit or Not to Exit   tomjohnell.com/pike-solvi... · Posted by u/dnw
kper1337 · 6 days ago
As an european (Austria) that never have been in the US, can someone please explain to me what exit left and exit right mean?

In Austria, you have usually one exit. Alternatively, there might be a roundabout.

givc · 6 days ago
In US highways the exit ramp off the road is usually on the right, but is some cases the exit is on the left, especially in areas where the highway is elevated or in crammed downtowns. The left lane is also usually the “passing lane” and cars drive faster than on the right, so if there is a left exit and you’re cruising on the right line, you have to know in advance to safely move over to the left
givc commented on 3D-Printed Mathematical Lampshades   hessammehr.github.io/blog... · Posted by u/hessammehr
mlmonkey · 2 months ago
In theory, one should be able to use OpenSCAD to come up with fancy surfaces to 3-D print, right?

I'm just dipping my toes in 3D printing, with a recent acquisition of a Bambu P2S

givc · 2 months ago
I used OpenSCAD to create a map of Manhattan. It shows the live location of subway trains. It was surprisingly easy, I struggled a lot with OnShape and Fusion360 trying to do this because there were too many polygons.

I found that starting with an SVG and extruding from there is perfect in OpenSCAD, but I’m sure I’m underutilizing it a lot.

I wrote a bit about it here if you’re curious https://hackaday.io/project/202488-manhattan-subway-map/deta...

givc commented on 3D-Printed Mathematical Lampshades   hessammehr.github.io/blog... · Posted by u/hessammehr
givc · 2 months ago
This is awesome. I’ve also been playing with OnShape to make lamps and it’s been quite challenging. I also tried Blender but the learning curve is just too steep for me. I like this idea of using Python. I might try OpenSCAD too like someone else suggested.

Here’s my lamp if you’re curious, printed with a .8 mm nozzle, otherwise it would fail https://imgur.com/a/mRqw1pI

givc commented on OpenSCAD is kinda neat   nuxx.net/blog/2025/12/20/... · Posted by u/c0nsumer
givc · 3 months ago
I found that combining OpenSCAD with SVGs for extruding complex shapes is quite powerful. I made a map of Manhattan that could not be handled by any other CAD program I tried without crashing, but OpenSCAD handled it really well.

I wrote more about it here, although I only mentioned OpenSCAD briefly https://hackaday.io/project/202488-manhattan-subway-map/deta...

g

u/givc

KarmaCake day6April 11, 2023View Original