Hi @Anonymous,
I am glad you are teaching yuourself as this is often times the best approach. Please focus on cleaning up your blocks first and let me know if you need any assistance with that part.
The block library is just a drawing(s) that remains in a fixed location so you can access it easily. I made a quick video for you that shows how to insert a block from your drawing template file into a different file. IF this looks useful, once your blocks are cleaned up then place them in a unique drawing file and you can use it as your library. The next step if you like, is to copy the blocks into a tool palette to make then even easier to access.
I hope my video helps. Please start a new thread for any specific additional questions and I will jump in to help.
Please select the Accept as Solution button if my post solves your issue or answers your question.
John Vellek
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