Let's Make Robots!

Construction materials

Construction materials

I am fine on electronics construction, but not having any engineering experience, I need advice on construction materials. Bear in mind that I only have basic handtools, including minidrill, hacksaw and the like. There are a number of items I want to be able to fabricate myself (from sheet materials where possible). I am not concerned about things lasting forever, ease of cutting/shaping and reasonable strength are more important. For example a future project is likely to be an arm.

Epoxy, the hobbyist's hot glue

I agree hot glue is much easier to use and is a good way to get started.  At some point you should consider moving on to epoxy.  The most common type of epoxy that you will use is a 2 part epoxy consisting of a resin and a hardener.  When separate they remain in liquid form.  When you mix the two a reaction occurs and after a little while (times vary depending on what type of epoxy you use) solidifies into a rock hard bond.  Epoxy is fairly cheap (I've found it at "Everything's a Dollar Stores" often) and even the cheap stuff with 5 minute drying times holds up much better th