[video member=miotatsu stream_platform=twitch project=riscy medium=drawing title="Guess That Shape" vod_platform=youtube id=n-0jxq7m0to annotator=Miblo] [0:05][Recap the current state of our case and set the stage for the day] [2:01][Model the case's stand-offs for the HiFive Unleashed, with thanks to @Miblo for the vim-tip (incrementing and decrementing numbers with Ctrl-a and Ctrl-x)] [7:07][:Research scoping in OpenSCAD[ref site=WikiBooks page="OpenSCAD User Manual/General#Variables" url=https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/General#Variables]][:language] [15:06][Continue to model the case's stand-offs for the HiFive Unleashed, using let()[ref site=WikiBooks page="OpenSCAD User Manual/General#Variables" url=https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/General#Variables] to scope variables] [31:48][Wonder if vim supports evaluation of a selected expression][:speech] [33:07][Finish positioning the case's stand-offs for the HiFive Unleashed] [36:02][Add some thickness to our case] [45:58][Break][:admin] [46:12][Return and finish thickening our case] [52:22][Model a skirt around the entire case, starting with the HiFive Unleashed area] [1:19:12][Extend the HiFive Unleashed area of the case, to accommodate screwing] [1:21:56][Reposition and continue modelling the HiFive Unleashed area's skirt] [1:32:52][Admire our progress[ref site=formlabs page="How to Design 3D Printed Snap Fit Enclosures" url=https://formlabs.com/blog/designing-snap-fit-enclosures/]] [1:33:41][Embark on modelling our case's sphere-based cornering[ref site=OpenSCAD page="Cheat sheet" url=https://www.openscad.org/cheatsheet/index.html]] [1:49:05][Try constructing our corner shape using rotate_extrude()[ref site=WikiBooks page="OpenSCAD User Manual/Using_the_2D_Subsystem#Rotate_Extrude" url=https://en.wikibooks.org/wiki/OpenSCAD_User_Manual/Using_the_2D_Subsystem#Rotate_Extrude]] [2:06:48][Compare our corner shape with the existing skirt] [2:11:49][Correctly orient our corner shape] [2:26:38][Add thickness to our corner shape] [2:31:03][Call this one good for today, with a view to using a sphere intersection next time] [/video]