ChalkMotion - Create animated doodle slideshows
3d Scanner App - Free LIDAR 3d scanner for iPad Pro
Iceberger - Draw an iceberg and see how it will float
Trnio - Turn your iPhone into a 3D scanner
Sketch This - Daily drawing challenges
Capture - A great free screen capture utility that allows you to capture either a window or the desktop and save it to either a file or the clipboard.