You can get sheet and strip or rod styrene at hobby shops you can cut out pieces in the right shape and glue them into place , especially if they ' re not visible . Most model companies will do replacement parts , but they ' ll want to sell you the whole sprue the part came on and that can be expensive . <| sep |> The fact that you already have ideas you want to create is very helpful . Start messing around with the programs and doing some tutorials to get the hang of things , then just start attempting your ideas . I ' ve found that I ' m much more motivated to continue messing with things when I actually have something I want to make . <| sep |> This article makes me think of a job I had early in my career as a game developer . It was a fairly lowpaying contract position , but I didn ' t mind as I learned a ton specifically , the job amounted to what this article describes , developing a series of short rapid games , done over and over for the entire time I was there . also , I think this is the best bit in the article Take creative risks , but avoid technical risks If a game prototype fails , it should be because it ' s boring , not because of a technical problem . Except of course when the goal is technical prototyping .