First real video

I’d made a few short videos to demonstrate some of the grips and throws. They’re on the “Throwing Small Golf Discs” page. They’re silent and only a few seconds long but you can see me grimace in one of them – the shoulder forehand.

Today I made a video almost 15 minutes in length. It’s all about 3D printing golf discs.

3D Printing Small Golf Discs

I made the video in two parts because as luck would have it the current disc I was printing finished in the middle of recording. It was probably a good thing because it is more interesting right at the very beginning.

The most important thing I wanted to convey in the video was the PrusaSlicer settings needed to get good prints with no stringing. It turns out that setting perimeters to 4, using 0% infill and setting Z-up to zero (in the Printer settings, for Extruder1, or just search for Z). Well, that and adding a 10mm brim with zero separation between the brim and the print base.

The video was made using OBS, which I’m pretty sure stands for Obstinate. This free, open source app allows you to mix video and audio inputs and add text and images, etc. I set up title screens and different combinations of cameras and I could switch between them during the video.

OBS is great when you understand how to use it, but if you close it and open it again you can kiss all your hard work setting up scenes goodbye. There are tricks to work around this egregious problem, like exporting your setup and reimporting it when you start up, throwing away the entire project in the process and trusting the import will put it all back. If you resize the output to a given source all settings about position on every other scene get messed up. Very frustrating, but I learned what to never do, and I exported the profile before I made the movie (in case it crashed and had to be restarted).

OBS produced .mkv files and I converted them to .mp4 files using Handbrake. I combined the two videos using iMovie, cutting out some dead air time while I moved things around in the background. I used two webcams and a tiny video camera with autofocus for closeups on the disc.

Up Next: Makin’ Discs