Spent most of this afternoon in my shed trying to come up with new ideas for a pen, well 4 hours after this i had a few insperations, but left the shed as thou i had acheived nothing? 
Does anyone else feel the same on days spent in your workshop, i mean 4 hours is quite a long time.

Does anyone else feel the same on days spent in your workshop, i mean 4 hours is quite a long time.
