Handheld cordless workshop blower (add-on to turbine blower)

Jan 2022 update: Hyperlinks to parts have been updated
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These are add-on parts to turn the excellent "Turbine Blower for 540-sized Motors by JolietDelta" http://www.thingiverse.com/thing:667480/ into a handheld cordless workshop blower.

It is useful as a handheld powerful air duster for cleaning your things and is conveniently cordless.

The parts comprise of
1) an intake cover
2) a handle
3) a switch mount
and 4) a b