This Vacum cleaner has a particular design that shold prevent any sucked dust to escape back once it has been sucked into the vacume cleaner

Here is a list of anything that you will need:

• DC Motor: Faulhaber 2342S006CR 001G 079 (I've got it directly from the Fahulaber factory but any motor with 23 mm diameter and at maximum 65 mm length will work)
  This is one that shuold work but is not the same that I have: https://www.ebay.it/itm/FAULHABER-Motor-48-v-serie-2342SO48CR/263718017232?hash=item3d66d198d0:g:tgwAAOSwKgdaeISA
• ON/OFF Switch: https://www.ebay.it/itm/5pz-PULSANTE-AC-250V-3A-2-Pin-ON-OFF-SPST-Per-Auto-Barca-Rocker-Interruttore/232148194622?hash=item360d1c553e:g:pAwAAOSwyGZaGNOb
• 9V battery: https://www.ebay.it/itm/1X-BATTERIE-PILE-EXTRASTAR-9V-6F22-LUNGA-DURATA-ZINCO-TRANSISTOR/222797474588?hash=item33dfc3ab1c:g:r5YAAOSwGBhaXO2m
• 9V battery clip: https://www.ebay.it/itm/New-10PCS-PP3-MN1604-9V-9-volt-Battery-Holder-Clip-Snap-On-Connector-Cable-Lead/322923049648?hash=item4b2fb6b2b0:g:430AAOSwvTpaJi2X
• Heat shrink tube: https://www.ebay.it/itm/127PZ-GUAINA-TERMORESTRINGENTE-TERMORETRAIBILE-Heat-Shrink-Tube-2-1-Wrap/122238835459?hash=item1c76009b03:g:FTsAAOSwjDZYlAk6
• 4 Screw ( M3 x 16 mm): https://www.ebay.it/itm/M3-M4-M5-M6-M8-A2-STAINLESS-HEX-SOCKET-FLANGED-BUTTON-HEAD-ALLEN-BOLTS-SCREWS/321232365051?hash=item4acaf0e5fb:m:mLANMQarKsQpg75rEiKaIFw

In case you need to modify anything I have uploaded the project in different CAD files so you adjust everything to fit your needs (I've design this in Fusion 360).

3D PRINTING:

• IMPELLER: 0.2 mm layer height, 5 perimeters and 25% infill, NO Support
• MOTOR HOUSING: 0.3 mm layer height 2 perimeters (4 solid top layer), 10% infill and NO Support
• IMPELLER HOUSING: 0.3 mm layer height 2 perimeters (4 solid top layer), 10% infill and NO Support
• CONE ADAPTOR: 0.3 mm layer height 5 perimeters, 50% infill and WITH Support
• NO RETURN HOSE: 0.2 mm layer height 5 perimeters, 50% infille and NO Supports
• BACK COVER: 0.3 mm layer height 2 perimeters (4 solid top layer), 10% infill and NO Support
• FILTER: 0.3 mm layer height, 15 perimeters (0 top and bottom solid layer) 75% Grid Infill and NO Supports