Lmst

@3dprinting I published the box to printables.

As the Marketing Department of the Sirius Cybernetics Corporation say, "Share and enjoy!"

https://www.printables.com/model/1255222-custom-gift-box-for-anatomic-heart-and-stand

@3dprinting And now I have a parallelogram shaped gift box. This is becoming my standard gift box: fitted insert, lid with bow printed on. This was only challenging in that the heart is too complex to import into Fusion360 as an STL.

The blue and red ribbon is the same filament as the veins and arteries. The lid is the same as the stand.

#3DPrinting #MMU3 #Prusa #Anatomy #Fusion360

A closed gift box whose top side is a parallelogram with rounded corners. It has a pink and blue bow printed into its lid.

The box is open, and the lid is upside down beside it. The box contains an anatomical heart and its display stand.

The gift box is open. The lid is lying upside down beside it. The anatomical heart and its stand are also beside it. Inside the box is an insert that has cutouts to match the heart and stand.

@3dprinting I printed some stands. (The stand is on Printables among the remakes of the model I posted above).

The left two are Overture Rock White PLA with fuzzy skin with a Bambu Iron Gray Metallic PLA cap (not fuzzy). The right two are all Iron Gray Metallic (not fuzzy).

#3DPrinting #Prusa #MMU3

Two 3D printed hearts on 3D printed display stands. There are two extra stands. The colors and materials are as described.

@3dprinting It finished! And one of these hearts will make a very nice gift.

56 hours all told.

No further interventions needed today.

My MMU has done a lifetime total of 10,508 filament changes now. 1,678 of them in this print.

#3DPrinting #Prusa #MMU3

A finished print of two anatomically correct human hearts in five colors. They are still attached to the print bed.

@3dprinting I adjusted the height of the FINDA (MMU filament sensor) at 50% complete, and it hasn't needed intervention since. (Knock on woodfill PLA.)

#3DPrinting #Prusa #MMU3

Love this stupid machine. #3dprinting #prusa #mk4s #mmu3

Game pieces with black on white numbers multicolor 3d print still on build plate

Now I've gone into mass production of gift boxes with little snowmen on them. These contain flask-sized bottles of maple syrup. Modeling around the flask shape was fun. This time I printed the carrot noses separately and glued them in, rather than do manual color changes or settle for five colors.

PolyTerra "Fall" gradient matte PLA for the box.

#3DPrinted #Fusion360 #PrusaSlicer #MMU3

Five 3D printed boxes are lined up. They have soft horizontal yellow and orange stripes. Each has the cap of a flask protruding out of a notch in the top, and each has a six color printed picture of a snowman wearing a scarf and a Santa cap.

A CAD drawing of a box that holds a flask. It is open on the top with a notch for the flask cap. The front side is flat with a recess for the snowman card. The back side and inside surfaces are curved to the shape of the flask. There are two thick tabs below the neck designed to grip the flask and keep it from sliding out.

@3dprinting Now I have storage for various print bed sheets.

This is the Expandable Steel Sheet Holder by Whity, upside down because I'm left handed.
https://www.printables.com/model/51462

And the printer plays on.

🧵 88/∞

#BlackLackStackHack #3DPrinting #Prusa #MMU3

Dry box is on feet on top of the printer enclosure. In the space between, there is a holder for steel sheets. The photo is backlit, and only the silhouettes can be seen clearly.

A close-up of the steel sheet holder on top of the enclosure shows that it has a column of buttons on the left and six printbed sheets in slots.

@3dprinting I lifted the drybox up on stilts. While it was feeding filament to the running printer. Now there's 62mm of clearance under the box.

Upthread in 🧵 66 I showed how the drybox is removable. It still is, it's just closer to the stratosphere.

🧵 87/∞

#BlackLackStackHack #3DPrinting #Prusa #MMU3

Two views of a dry box sitting on top of an IKEA LACK based printer enclosure. The left one is labeled BEFORE. There, the dry box is about 20 millimeters above the enclosure lid. The right one is labeled AFTER, and the box is 62 millimeters above the lid.

I've made one mount for my SKÅDIS pegboard now. I think this is going to be the color scheme: matte blue mounts, gold labels, and green ASA hooks. Varela Round for the label font. (Red wrenches are not part of the color scheme. The next tools will be yellow and blue-green.)

I used Kim-Janosch's hooks rather than invent my own.
https://www.printables.com/model/635711-skadis-mount-collection

Yes, you can use an MMU for functional prints.

#3DPrinted #Ikea #MMU3

One green ASA SKÅDIS hook is lying on its side. It has an upper hook that goes into the pegboard and locks in and a lower hook that just goes through the next hole down. On the side that will be facing out it has a triangular tab projecting upward for a mount to slide onto.

I printed this. I downloaded a line drawing from a coloring pages site, massaged it in Fusion 360 and PrusaSlicer, then edited the .GCODE file to insert filament changes. It has six colors; MMU3 only supports five, so I switched in the sixth color manually.

I used ironing and different infills to add more variation to the colors. See the Alt Text for details.

And I still don't know what that white thing at the lower left is supposed to be.

#3DPrinted #Fusion360 #PrusaSlicer #MMU3

Photo of a 3D printed card on a white background. The card is transparent with a blue cast. There is a cartoon snowman wearing a Santa hat, a striped scarf, and mittens. There is a dark shadow on the ground under him and an unidentified white oval on the ground in front of him. The snow is ironed white. The hat brim and tassel are white but not ironed. The mittens and his buttons are green. His nose is a carrot, orange. The scarf alternates red and green and is finished with a Hilbert curve infill. The shadow is under four layers of transparent filament, so its edges are indistinct.

@3dprinting The wipe tower is horrible, but the print is just fine with just one bit of excess filament stuck to it. Still, I do not recommend this technique.

🧵 13/N

#3DPrinting #MMU3

A finished print which is a tiny object half purple and half orange. It is stuck to the build plate, and is a good print except for one strand of filament sticking out about 3 millimeters from one side. Also on the build plate is a lot of filament spaghetti and a wipe tower covered in spaghetti filament. More spaghetti is on the table beside the printer.

@3dprinting What happens when the wipe tower comes loose from the build plate? I noticed in time and held it in place for the last 8 filament changes. Amazingly, the print survived.

🧵 12/N

#3DPrinting #MMU3 #JawsOfDefeat

@3dprinting Upthread in 🧵 84 I said that sometimes the filament tube inlets come off. I've addressed that issue by creating bendable clips that hold the inlets in place. Tool-free, of course.

These photos also show the six-to-five adapter. The (Un)original Prusa Drybox is designed for six spools. The MMU3 uses five. So I made an adapter. (It's a refinement of a similar adapter seen here. https://www.printables.com/model/702217-mmu3-mmu2s-5-spools-auto-rewinder-adapter-for-unor/files)

🧵 86/∞

#BlackLackStackHack #3DPrinting #Prusa #MMU3

A black printed adapter piece has a trapezoidal slot for a tube inlet. The two diagonal sides of the slot are flexible. On the top of each is a small tab that you can use to push the flexible parts open.

An orange printed inlet holder is inserted into the black adapter piece. One end of the inlet holder is trapezoidal, and it is plugged into the trapezoidal slot and locked in place. The other end is cylindrical with a threaded hole. A PC4-M10 fitting is screwed into the hole.

Three black adapter pieces are shown, and the mating surfaces of two are shown. One piece has two rectangular protruding tabs, and the other has matching recesses. When held together, they will not slide relative to each other. The mating surface cuts through the middle of a trapezoidal tab. When these are joined and inserted into a trapezoidal slot, they will be locked together.

This shows the interior of the dry box. There are three filament spools. (Actually there are five, but the other two are outside the photo.) Each spool is feeding filament into a PTFE tube. The tubes are held by orange printed inlets, and the inlets are locked into the trapezoidal slots of the adapter pieces. The adapter pieces have five slots, and on the other side they have six trapezoidal tabs that fit into the six slots in the dry box.

@3dprinting

The bad:

- Full spools have enough angular momentum on retractions that sometimes they pull the tube inlets off. Then the filament wraps around the axle.

- The tubes in the back are free and floppy and not parallel. (aesthetic)

- The back panel is flimsy. It's corrugated plastic, and it bends a lot when removed.

🧵 84/∞

#BlackLackStackHack #3DPrinting #Prusa #MMU3

@3dprinting

The good:

+ Filament is easy to load. The tube inlets are right up front, no need to reach behind the printer or feed through a buffer.

+ It works fine whether the enclosure lid is closed or tilted up at a 45° angle.

+ Everything disassembles pretty easily with no tools required.

🧵 83/∞

#BlackLackStackHack #3DPrinting #Prusa #MMU3

@3dprinting Here's how the roller comes apart. (There is voiceover in the audio.)

🧵 82/∞

#BlackLackStackHack #3DPrinting #Prusa #MMU3

@3dprinting Upthread in 🧵 69 through 72, I discussed options for passing through the back wall. @esden and @Siff advised.

The tubes go through a roller that lets them rotate together. The roller is clamped between the black surround and the black/orange panel.

For disassembly, the panel pops off, the roller lifts out and the whole back panel can be pulled away. The roller splits into two halves after the bearings are pulled off.

🧵 81/∞

#BlackLackStackHack #3DPrinting #Prusa #MMU3

A close-up of where the tubes pass through the enclosure's back wall, viewed from outside. The orange and black panel has been removed, and the printer is visible through the opening it covered. The five tubes go into a purple roller. The roller's ends are in 608 skateboard bearings, and the bearings are half-buried in the panel surround. There are two gold disk magnets embedded int the surround about 25 millimeters above the bearings.

Same view as before, but a wider shot. The panel is sitting nearby on the power supply. Two gold magnets are embedded in it to match the magnets in the surround. There are two cavities that half of the bearings will fit into, so that the bearings (and the rollers) will be trapped between the panel and the surround.

@3dprinting The tubes exit the drybox in the back through the clips I showed upthread in 🧵 74. From there, they're free and floppy until they enter the enclosure through the back wall and immediately into the back of the MMU3.

🧵 80/∞

#BlackLackStackHack #3DPrinting #Prusa #MMU3

#mmu3

Client Info