Sketching ideas for model making

I have been working in sketchbooks . I’m not sure how well these will translate into three dimensional models, but at least it’s a starting point. I’m excited to receive materials ordered online, including balsa, various card and plaster. I would prefer to visit a shop because I like to see and feel what I am buying. I’ve sent a few things back because the quality is poor or the scale is wrong. Anyway I think I’m ready to play