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Umbrella Corp Launch Pad

Author name: robertwallace

Source site: thingiverse

License type: General Public License, others

Category: Other

Reference to source: Umbrella Corp Launch Pad

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Need a level place to launch your quad? Something easy to distinguish from the background noise? I have just what you need.

This is a launchpad designed from the Umbrella Corp logo. It is 400mm from point to point (I'm also working on a 300mm version.) It has a bubble level in the center and incorporates chopsticks (or the printed equivalent, included here) for legs. You adjust it to level by pushing the legs into the ground. Simple.

If you know about Resident Evil, you know the corporate logo of the Umbrella Corporation. If you've seen the half-dozen movies, you know there are several different representations of that logo. Some are completely round, some are octagonal, and some have scalloped sections - and that scallop-edged version was the one I chose to use in my design.

This is not as portable as the fold-up version I originally wanted to make and it's probably a bit over-engineered, but if you're currently carrying around a scrap of plywood to launch from, it may be easier to use. If your quad uses a down-pointing camera for landing, this should be easy for it to distinguish from dirt or whatever. Maybe you will even have better luck landing on the platform - something I've yet to master with my quad.

t Settings

Printer:

Tevo Little Monster

Rafts:

No

Supports:

Yes

Resolution:

.32 is best

Infill:

10% except as noted


Notes:

[For this 400mm version, minimum bed dimensions are 170x190]

Print eight sections and eight ribs. Print one bezel top and one bezel bottom. If not using chopsticks, print at least 4 of the legs.

The bubble level I used (and the one the bezel is sized for) is the 32mm bubble level from Amazon: "32mm Circular Bubble Spirit Level BY GFNT for Tripod, Phonograph, Turntable Etc (3-Pack Green) " https://amazon.com/dp/B075YF4K6V/ [this is not an affiliate link]

The top of the ribs and the top of the bezel are sized to print as one layer when using a .32 layer height. I don't think it will cause a problem if you print at a higher resolution (thus getting two layers instead of one), but it's not necessary.

The end cap on each rib is supposed to be one extrusion per layer. I print with a .4 nozzle and a .48 default extrusion width and had no trouble. When I tried at .45, the result was a bit brittle. Check the sliced gcode to make sure your slicer did OK with this part. It won't cause problems if the cap is a little thick - just makes it bump out a bit on the points.

The platform is designed to use chopsticks as legs - like the ones I get at the local grocery conglomerate. They seem to be of standard size, but just in case yours are different or in case you don't care to acquire any, I've included some here in various lengths.

I printed with 2 perimeters, 3 top layers and 3 bottom layers. I used 10% grid infill more for esthetics than strength -- at certain angles the infill is visible through the top and looks sort of industrial. For the ribs, I used 0% infill - there's no need for more.

I'm very pleased with the way the "surface" turned out. I printed on the Tevo Little Monster's black textured glass heated build plate - just the clean glass, no additives. I was surprised that it stuck, but at 60c, it stuck very well. When cool, the part lifted off.

Consider the surface you print on; the top of your launch platform will look just like your build plate's surface.

Consider, too, the material you use: I used PLA for the one shown here, but that can deform and degrade in direct sunlight (or in a hot car). PLA is also a bit brittle to use as legs, but print a few extras and solve that problem. I also printed some legs in PETG which is more flexible; maybe too flexible for these skinny legs.

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