Martha had a little lamb sheep farmさんのイラストまとめ
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Small-scale sheep farming with an ocean view. Home to @MarthaTheHorse. #Horses #Farming #Outdoors
Facebook: facebook.com/MarthaHadALitt…
marthassheepfarm.caFacebook: facebook.com/MarthaHadALitt…
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The Rona rocket contains a number of trepan grooves for holding O-rings. These are difficult to machine with standard tools. This is especially true for small diameter grooves. Therefore, I'm using FreeCAD to redesign the seals.
#MadeWithFreeCAD #fc3d #space #rocketry #STEM
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