chassis metal
as you may have noticed i'm being cheap when comes to my build, so far it has cost me a grand total of £30 quid and that was for some of the wood to build my chassis on. i've managed to get everything else for free, and that includes the metal for my chassis, the 25 x 25 is fine but i've just checked what i thought was the 19 x 19 but it is in fact 20 x 20 will this make much difference to the build. i know that i will need to adjust the build by a couple millimetres can anyone else think of any other problems
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