Stepcraft ® do not sell dust collector for series D and MM1000 spindle.

This 3d cad drawing let you print it yourself with your 3d printer.

As bush you can just add a draft excluders you usually use on doors.

To lock it use a M4 bolt and nut.

After purchasing you'll receive on your mail, within 24h, 3d cad editable files in .stl, .step, .f3d format.
The cad file is available ad single drawing and 2 saparated parts drawings.