Threads not quite to the design plan
The other day I modelled an adapter boss that had a threaded end to fit a standard CCTV camera mounting box (GB Pipe Thread – 26.441mm x 1.84mm tpi) and with the other end to suit a 20mm flexible conduit. Here is a Fusion pictorial view.
I modified the thread profile as per my post on thread tweaks and posted the file to Qidi Slicer. I opted to print in the orientation as shown above. This clearly needed support under the shoulder so without thinking I ticked the auto support tick box and hit print. The thread was a disaster flecks of filament such that it did not mate with the camera mounting box threaded hole.
Head scratching time, what had gone wrong ?
I had thoughtlessly just ticked autogenerate support and Qidi Slicer saw the thread profiles as potentially needing support and hence all the flash filament. Re-running with ‘support on build plate only’ removed the problem. See below.
This problem probably become more apparent due to the large size of the thread being modelled. Probably a dumb thing to have done but I tend to learn more from doing dumb things. One issue to be aware of in the future.
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