voster
Posts: 1
Joined: Wed Dec 21, 2022 4:06 pm

Arc mode overhang slicing w/o supports

Dear Simpliofy3D Team,

Pls. evaluate integrating arc mode slicing script for printing overhangs w/o supports.
https://youtu.be/B0yo-o47688

Arc mode does slice overhang base layers in free space as arcs. Priting the layer in free scpace in a stacked overlapping fashion exploits driving the stepper in arc mode and eliminate the excess heat sagging from decelerating the extruder at sharp corners.

The arc slicing can be integrated from existing Python script.

It does a trade of between faster xy-line-print mode and optimized heat transfer. It avoids using angled slicing and a 4th axis print head.
It achieves the same amazing results with minimal software effort. It is also suitable to avoid hard to remove internal supports.

This can be implemented in several ways - from prinitng the part entirely in arc mode to doing specific sections or specific overhang base layers.

In my understanding full early arc mode support would greatly improve the incentive for a paid quality slicer upgrade for many users. It is highly attractive option for professionals seeking to minimize pre-processing and post-processing in a very reliable way. It also avoids the implications of a heavier dual extruder for washable support material, allowing to achieve similar results on a standard printer with less acceleration / deceleration of mass in the printer frame.

Best Regards
Volker
Menissalt
Posts: 36
Joined: Fri Jul 03, 2015 5:39 am

Re: Arc mode overhang slicing w/o supports

It would be pretty nice to have this available as a "support" type.
veizour
Posts: 1
Joined: Wed Jun 21, 2023 4:39 pm

Re: Arc mode overhang slicing w/o supports

+1
Even just a basic option to form them with calibration options would be helpful. It may be too difficult a task to perfect arc overhangs for all the printer types, but a beta that allows people to set their own arc mode speed, flow, % of overlap, and maybe method of arcs (number of arcs and percentage of fill), would be a giant leap to allowing someone to experiment with them.

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