Print with the power emblem facing the build plate and the switch housing facing down. No supports needed. Easy print and mod, need approximately 30" of 18ga wire (15" for each line), 3 female spade connectors and 1 male.
UPDATED Jan 2023 - V3 Files -Updated switch body to allow the switch to fit into it much better, and modified the cover so that it won't contact the switch in the on or off position before fully seating against the body.
The author marked this model as their own original creation.