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by greybeard
Thu Jan 24, 2019 2:40 pm
Forum: General Discussion and Tips
Topic: Math into Gcode Scripts or Post processing
Replies: 1
Views: 374

Re: Math into Gcode Scripts or Post processing

I haven’t had a need to do math in Gcode but, I found this for Slic3r https://manual.slic3r.org/advanced/conditional-gcode Slic3r is a great App, especially if used in conjunction with Repeteir-Host (which, basically makes it a robust app similar to Simplify). Perhaps the info can be a starting poin...
by greybeard
Sun Jan 13, 2019 3:17 pm
Forum: Troubleshooting and Bug Reports
Topic: [Solved] Leaves thick strings and lumps during printing
Replies: 11
Views: 925

Re: Leaves thick strings and lumps during printing

In general, this is how most hot-ends are assembled… Starting with Un-assembled condition with clean parts (removed filament, goop…): Heat the hot-end (I usually use the filament pre-heat feature on my printers. If not on the printer, use a small torch/etc). Don’t need to fully heat it, just enough ...
by greybeard
Wed Jan 09, 2019 1:26 pm
Forum: General Discussion and Tips
Topic: CAD Recommendation to use with S3D
Replies: 18
Views: 1897

Re: CAD Recommendation to use with S3D

I used Solidworks (and Pro-E, Inventor, Cadkey) since 1996 and occasionally, still do. But, for the past 3 years, I've been using FreeCAD. It does everything. While learning it can be confusing, it's pretty simple to learn if you stay away from folks on their forum that want to show you haw smart th...
by greybeard
Sun Dec 30, 2018 3:00 pm
Forum: General Discussion and Tips
Topic: How to create a Negative for Molds?
Replies: 14
Views: 1504

Re: How to create a Negative for Molds?

ADDED Thought I'd add additional info: I used rubber molding material from Tap Plastic's to make these molds from 3D-Printed parts. Simple - just pour into a container (I used a frozen food container). Set your part in the container at desired height (support it with something small). Pour in the ma...
by greybeard
Sun Dec 30, 2018 2:34 pm
Forum: General Discussion and Tips
Topic: How to create a Negative for Molds?
Replies: 14
Views: 1504

Re: How to create a Negative for Molds?

There are several App’s that can manipulate .STL files (if you’re not able-to / familiar-with CAD/other App’s for modeling). I’ve designed many Molds for injection molding and Homemade molds for Polyurethane, RTV, Silicone and, Hot-Glue. It's fun. Modeling your gizmo is preferred, of course. However...
by greybeard
Wed Dec 19, 2018 12:55 pm
Forum: General Discussion and Tips
Topic: Printing without shells not generating usable g code
Replies: 3
Views: 395

Re: Printing without shells not generating usable g code

FYI - recently installed 4.1.1 (previous was 4.0) so, I thought I'd try something with Zero shells.

Works as it should - tried two parts - both generated usable gcode. Verified by loading the Gcode into Repetier-Host. Results of one part attached... Only the internal infill and Top/Btm layers...
by greybeard
Tue Dec 11, 2018 5:02 pm
Forum: General Discussion and Tips
Topic: Pause at Height (NOT LAYER)?
Replies: 12
Views: 1502

Re: Pause at Height (NOT LAYER)?

If you dig deeper into it, you'll find there are G & M codes for pausing at Height. However, Codes, while they generally work across several machines, not all facilitate the full list of codes. Example: M26 pauses an SD card print Here's a good link with indicators on what machines work/don't work w...
by greybeard
Mon Dec 10, 2018 4:48 pm
Forum: General Discussion and Tips
Topic: Printing a threaded insert and accepting piece
Replies: 17
Views: 1532

Re: Printing a threaded insert and accepting piece

Thought I clarify my comment about two parts printed with two process at the same time to produce desired results - hopefully the picture saves me a thousand words :lol: ( the Nut is embedded in the Box - done in CAD (in this case, FreeCAD). When printed in a single print with two process, the resul...
by greybeard
Mon Dec 10, 2018 2:06 pm
Forum: General Discussion and Tips
Topic: Printing a threaded insert and accepting piece
Replies: 17
Views: 1532

Re: Printing a threaded insert and accepting piece

I’ve printed many parts with threads and have made several observations about doing it. I can easily print 3/8-16 Bolts, Nuts and threaded Bosses, as shown below. 1. The resulting threads (for me) have always been good enough to mate with intended part (nuts, bosses, etc…). The fit between mated par...
by greybeard
Mon Dec 03, 2018 4:55 pm
Forum: General Discussion and Tips
Topic: Filament Storage
Replies: 23
Views: 3822

Re: Filament Storage

Geeks are always tweaking… I had an idea for a bread proofing (raising) bin and was so pleased with results that I transferred the idea to storing filament. Simple concept: use a Mr. Coffee mug warmer in large tote for filament! Photo attached: It’s on a timer (On 1 hr, Off 1 hr). Mr. Coffee uses 17...

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