The tools needed for this endeavour are a razor blade, glue gun. velcro, a small torch, some muffler tape for highlights, krylon paint , copper wire for the fingers(this way you can adjust them) and lastlely some camping mats from canadian tire.
Be patient, I've given very good photographs of each peice remember to add dimension you will need to put fillers behind your frontal peices like the braces on the shoulders or the shinguards on the foot assemblies.
He is not a perfect optimus but he is my render, for instance the real optimus does not have a jet pack, too bad ours does.
any questions feel free, I built this costume so most of it was painted post production, sucks cause I had to do a lot of masking.
The finished costume looked alot better at first but he has been around for a while and has the battle scars to prove it.
The torch is for distressing the foam, just hold it far enough away so that it doesn't catch on fire.