Board Thread:Suggestions/@comment-30448538-20170220165059/@comment-35555057-20170227211728

Tip: NEVER USE UNIONS UNLESS NECESSARY.

Unions cause lag, invisible parts, and increase map load times by a LOT.

Also, do NOT allow z fighting. Z Fighting is when 2 parts collide with eachother and they start to make a fuzzy/blinking effect. It looks really ugly and if there is too much your map will NOT be accepted.