1.How to CAD Almost anything in Solidworks from MIT https://www.youtube.com/watch?v=XCfxQDCIZr0&list=PLxiALKuvAo... from the same channel, you can watch different softwares like onshape,fusion360,NX. https://www.youtube.com/@anex610/playlists 2.https://www.youtube.com/watch?v=2sSgkW0MhBw&list=PLROUP1bV8R... https://drive.google.com/file/d/1tRznYbRaJ39XZNVYdS04eQiWDwE...

For exercises:

1.Download 2d drawings of model engines, model them in CAD software and also the drawings you got from the website are manufacturable. https://outerzone.co.uk/plans.asp?cat=Engines

2. Grabcad,thingverse(for 3d printing).

3.https://www.dropbox.com/scl/fo/tfrcdejxdd06kluk2hywh/AMLOrdy...

For 3d printing:

https://www.reddit.com/r/3drprinting https://www.reddit.com/r/functionalprint/

https://www.youtube.com/watch?v=T-Z3GmM20JM&list=PLGqRUdq5UL...

And there are so many resources on the internet for 3d printing.

If you have questions, let me know in the comments.