3 D printer problems i have had and sorted

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(1 TIP)I been told you should measure this as not all filament are not the same size it may be 1.75 but some times it smaller or bigger then this size used caliper to check..

(2 TIP) I also been told should use a filament dust remover filter I made this one going to mod it to fit my 3d printer, 20160507_205419.jpg20160507_205411.jpg

(3 TIP) Also the best way to set your heat bed up I found was feeler gauge.

(4 TIP) Never thing I did not know was enable retraction set to 1.5 parts look better now no sanding or cut on the parts in the picture was taken of the bed and I took a picture 20160508_113028.jpg