A 3d printable clock face designed to work with replacement clock kits. 

I made this model based on this piece of art by DanHobb5designs; https://www.instagram.com/p/Cs1WGypM2P-/.  This is a functional clock face, clock kit not included.  Most of the work was done in FreeCAD, with the more organic aspects being done in Blender.  I tried to make this easy to print, easy to assemble and hopefully easy to paint, while staying as true to the original art as possible.  Needing minimal support was also a design consideration.  I also designed parts to allow for assembly and hanging without the clock kit.

The total outer diameter is 200 mm (7 7/8 inches) and it was designed to be printed at a .2 layer height.  The right side decoration and the two hands are the only pieces that might benefit from a lower resolution.  The pieces are shaped or keyed to fit in a specific way where necessary.  The pieces were designed to fit easily but snug against each other.  If they fit too snugly, a light sanding should fix it.  If you find the hands don't sit correctly, try reducing or disabling elephant foot compensation.  The undercut can be enough to make the pieces not sit correctly.

The clock kit I used is here; https://www.amazon.com/dp/B0742439S3.  As long as the kit has a minimum thread length of 12 mm (15/32 inch) and a maximum shaft diameter of 8mm (5/16 inch), this should work fine.  

Steps to assemble the clock.  You don't need the non-mechanism files if you are using a clock kit.

1. Glue the clock mechanism guide to the back of the clock center.  This is optional, but will help ensure the clock mechanism is attached in the correct orientation.

2. Attach the clock mechanism to the clock face using the instructions included in the kit.  Use a pair of pliers to tighten the nut securely.

3. Once the clock mechanism is secured in place, place the right side decoration on the post.  Glue the right side decoration center to the top of the post.  The right side decoration can also be glued down, but it is not necessary.

4. Attach but do not glue the central flower decoration to cover the nut and washer from the kit.  This piece should fit securely and is meant to be easily removable if needed.  

5. Glue the numeral recesses piece to the numeral ring.  There are keys and indents to insure correct orientation.

6. Glue the numeral ring to the clock center.  There are three keyed supports that fit into notches on the back of the numeral ring.  This assures the numerals are orientated correctly.

7. Glue the clock center with the attached numeral ring to the outer ring.  The supports on the outer ring will fit in the spaces between the numeral recesses.

8. Place the hour hand (the shorter hand with the hexagon cutout) over the drive shaft and rotate it while gently pressing down, until is slides into place.

9. Do the same with the minute hand (the longer hand with the slot cutout) and secure it with the nut provided in the kit.

10. Fit the center decoration on the nut used to hold the minute hand in place.

The steps for assembly without the clock kit will be the same, except you need to glue the clock support with hanger to the back of the clock center and insert the center decoration spacer into the center decoration before gluing on.  When attaching the hands, it's probably best to glue them from the top.

Mandala clock face

center_decoration.stl

central_flower_decoration.stl

clock_center.stl

clock_mechanism_guide.stl

hour_hand.stl

minute_hand.stl

non-mechanism_center_decoration_spacer.stl

non-mechanism_clock_support_with_hanger.stl

numeral_recesses.stl

numeral_ring.stl

outer_ring.stl

right_side_decoration.stl

right_side_decoration_center.stl

Fume extractor housing for Printed Solid next generation safety enclosure for Prusa. 

I designed this to use with my Printed Solid next generation safety enclosure for Prusa.  It fits over one of the round openings and uses a 100 mm PC cooling fan, which is the right size to fit inside a 4 inch flexible ducting vent hose (dryer vent hose).  I used this tutorial as guide (mostly for the wiring); https://www.instructables.com/Minimalist-3D-Printed-Fume-Extractor/.  I had the fan left over from a old PC.  I got the power supply, power jack and switch on amazon at the following links;
power jack link; https://www.amazon.com/VizGiz-Connector-5-5x2-1mm-Terminal-Replacement/dp/B07MPS3QD8
5.5mm x 2.1mm dc socket
switch link; https://www.amazon.com/gp/product/B012IJ38S6
12 volt 20 amp
power supply link; https://www.amazon.com/gp/product/B00Q2E5IXW
12 volt 2 amp ac to dc 2.1 mm x 5.5 mm plug
I also bought 22 gauge wire, but that particular item is no longer available.  I also used shrink tubing, 4 #6-32 2 inch screws (with nuts), and #6 washers from Home Depot.
I used some extra screws and nuts from the enclosure kit to mount the housing to the enclosure.

The control panel is removable to help with assembly and can be replaced with a 44 mm (1 47/64 inch) wide x 26 mm (1 1/64 inch) height x 2 mm (5/64 inch) thick piece with cutouts to fit your hardware.  If you need a thicker piece, the indent is only 1 mm (1/32 inch) deep on all sides.  The control panel lid should fit snugly, but is held in place by the top of the fan housing.  There is enough space under the cone to house any extra wire you might have.  I simply cut the molex connector off the fan and left the rest of the wire attached.

This is easiest to assemble and attach if the enclosure is on it's side, so it's on the horizontal plane.  It's still fairly easy to assemble in the vertical position.  The parts should fit snugly enough to hold in place and the cone fits through the base and into the enclosure side.  This helps hold it and any extra wire in place.  The top-most nut that holds the top of the housing on is the tricky part.  I used a glue stick to put a bit of glue on one flat side and two adjacent edge sides.  This was enough to hold it in place until I could get the fan and top part in place and the top screw in.  I only used washer on top 

If you are going to be using metric fasteners, you will need 4 M3 50 mm screws with matching nuts and washers.  You can use up to 55 mm screws, but you may need to add extra washers.  The M3 nuts I was able to get were 5.5 mm wide, which is much smaller that the 7.8 mm (5/16 inch) nuts that came with my screws.  I made an adapter so that the smaller metric nuts fit into that fits into the slots for the nuts.  The nut slots will fit nuts up 7.8 mm wide and 2.8 mm thick.

Fume Extractor 

cone.stl

control_panel.stl

control_panel_lid.stl

exhaust_connector_full.stl

fume_extractor_base.stl

fume_extractor_top.stl

metric_nut_adapter.stl

a proton pack and neutrino wand accessory for your Pocketnaut 

a proton pack for your Pocketnaut with or without a neutrino wand attached.  there is a separate neutrino wand for the Pocketnaut to hold.  I made these as detailed as I could for the size.  I made the proton pack long enough so that it acts as a support to keep the Pocketnaut from tipping over.  I had to scale up the neutrino wand to the size of the backpack and then increase the handle size so it could be held.  they are both about 28mm (a little over an inch) tall/long.  now your Pocketnaut can have their own unlicensed nuclear accelerator on their back.

these were printed at 0.1 layer height with a .4 nozzle

if you're interested in doing something like this yourself, these are the best references I could find; https://www.gbfans.com/wiki/Stefan_Otto%27s_Prop_Plans

Pocketnaut proton pack

pocketnaut_neutrino_wand.stl

pocketnaut_proton_pack_and_gun.stl

pocketnaut_proton_pack_no_gun.stl

This is a plastic coaster. All quality is of .2 layer height. This objects menaces with spikes of plastic. On this item is an image of a Dwarf. The Dwarf appears to be smiling. This relates to the fandom of the game Dwarf Fortress.

There is a single piece version and a multi-material version ( 4 parts).  both are 105mm (4 1/8 inch) square and 5mm (3/16 inch) thick.  as a bonus, if you only print the edge and spikes parts from the multi-material version, you'll get an artifact bracelet.

it was inevitable

Dwarf Fortress artifact coaster

dwarf_fortress_coaster_artifact_coaster_whole.stl

dwarf_fortress_coaster_artifact_multi_background.stl

dwarf_fortress_coaster_artifact_multi_dwarf.stl

dwarf_fortress_coaster_artifact_multi_edge.stl

dwarf_fortress_coaster_artifact_multi_spikes.stl

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