Visit /r/autodetailing and search for car seat and steering wheel repairs. There is a guy who has posted like 10 of them and he walks through his products and process
You cannot repair it to look good. The best you can do is get a heavy cloth patch of a similar color, cut the patch so that it is larger than the torn area and insert the patch into the hole. Apply flexible fabric glue to the patch where it is under the seat coving, place a sheet of wax paper and then a weight on the patch for several hours.
It will look like an obvious patch, but it probably is better than the open hole
You are asking what is the best method or approach to a project.
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You are asking for advice on what project you should make ("what can I make within my budget?")
If you have a project in mind, please do some basic research on the matter, come up with your plan, then you can ask about a specific aspect of the project.
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ww_crimson t1_ix50dgx wrote
Visit /r/autodetailing and search for car seat and steering wheel repairs. There is a guy who has posted like 10 of them and he walks through his products and process