rootcup is a handy little propagator for plant cuttings, rootcup:

- protects a cutting’s roots from light, which helps roots grow

- holds the cutting’s leaves above the water to prevent rotting

- the shape of the lid captures water so cuttings need little attention

- rootcup can be cleaned in a dishwasher or in boiling water to sterilize and reuse

- highly UV resistant, nonporous, water proof and flexible, fungus and mold won't stick to the durable, food-safe silicone.

Get rootcup at www.rootcup.com, or, 3D print your own!

Step 1: Propagate Plants With Rootcup

<p>Smart design! They look so cute I want to have them :) Thanks for sharing!</p>
<p>Nice job :D Going to print a pile of these as presents for my gardener friends :) But i'll buy a pack for myself, to support such an amazing product :)</p>
<p>thats awesome</p>
<p>This technology is so exciting! I imagine we will soon see a library of files to choose from when we go to a store, so we can just open the file, print the object, pay for it, and take it home. At my age, I doubt I'll ever own a 3D printer, but I'd sure like to play with one! I have started many a plant from cuttings, both hardwood and softwood, and I like your design VERY much. Thank you!</p>
<p>Clean, modern and beautiful!</p>
<p>Second picture. Large dark rootcup in the background of three smaller ones. Does anyone know what that plant is called?</p>
I think people are missing the point. This is a routing setup that looks modern and cool while displayed. I don't want Styrofoam, pop bottles and old Starbucks cups in my living room window. Great job!
<p>piece of flat styrofoam with holes in it floating in a fishtank will do 10 or a 100 at a time.</p>
<p>oh, i could <strong>DO </strong><em>that</em>, cowfy! i'm not comp-sa<strong>v</strong>vy, but i could do yours <em>immediately</em> <strong>:^D </strong>.... all previous efforts have failed me <strong>miserably</strong>, including that white powder &quot;root starter&quot; [cuttings just rotted] &gt;:^(</p><p>i cannot wait to do your simple idea with cuttings from my fave LILAC bush!! <strong>x^)</strong></p>
one important factor is to have one of those bubble (air pumps) working and up to the water level to block off the light ,perhaps with paper on the outside of course.rooting harmone in a very small amount is positive.good luck.
<p>does </p>
<p>does anyone know if adding some live fish will give a good source of root food </p>
<p>Regarding floating Styrofoam. You probably know that commercial growers use floating sheets of styrofoam to grow lettuce hydroponocally, floating them from one end of a huge tank to the other. By the time they get to the end it's time to pick the lettuce for shipping. Pretty amazing, and big big big.</p>
<p>Here's a lot simpler way to make a rooting cup.</p>
Thank you!
Great for middle school maker club!
<p>Will these lids fit over a K-cup from a coffee maker? One less thing to print.</p>
<p>Oh wonderful... and so cute too. Loved the warning - Rootcup is not a bycicle helmet. :-)</p>
<p>I find that challenging cuttings, such as hardwood (not succulents or ivy) root better in sand. The roots need a supply of oxygen which rapidly becomes depleted from water, but is available in sand <em>if it is not waterlogged</em>. I put 3/4 inch potting soil in the bottom of a 3x3 pot, tamp down, then add sand to the top. This solves 2 problems. 1. the sand won't leak out, and 2. when the plant roots, it grows into the soil without disturbance. I add Rootsheild to the top of the sand and mix in 1 inch deep, then water <em>sparingly</em>. I poke a hole in the sand, dip the cutting into rooting jell (if it is not succulent or tropical), insert into the hole without scraping the sides or hitting the bottom, and squeeze the hole shut from the side. I cover the cutting with a 1 liter soft drink bottle (non-succulents only) with the bottom cut off and the top cap removed. After evidence of growing, I remove the cover, dig a channel in the sand, and replace the cover to allow limited ventilation inward through the channel and out the top. I do not remove the cutting until the roots grow from the sand through the soil below, and come out the bottom and it becomes a little root-bound. This way, the whole block of sand/soil can be carefully slipped into a larger pot of soil without disturbing the roots. (I have had bad luck, killing the plant when transplanting it). (This is where the space shuttle comes in handy! You can transplant without breaking up the soil in zero-G. Not having that, I wait for the roots to become bound first, then tap the pot edge downward to loosen the soil/sand block up, turn upside down onto other hand, then flip into waiting 1 gallon pot).</p><p>Rooted&amp;RootingPlants: front plant has rooted (3 months) and cover is removed, but has not grown through the bottom yet. (bush cutting from Bowie University, rooted in greenhouse over winter). Plant in back just inserted and covered (Oregon grape neighbor threw away, don't know if this will take.)</p><p>Queen's tears: cuttings (center of main plant died). This is tropical succulent so I don't cover it.</p><p>Euphorbia: plant on left, rooted from a piece from the top of a grafted plant. I didn't think this could survive alone!) This is one year later after transfer to a gallon pot. Original plant is a human brain-sized ball on top of a cactus-looking narrow column.</p><p>I have not succeeded rooting contorted hazelnut nor cryptomeria araucana despite repeated tries (former sits forever and doesn't root, the latter dies in 1 week). Any euonymus roots readily, without fail, but takes time.</p>
<p>(Sigh) I was really looking forward to using this as a bike helmet and snacking on it after my ride.</p>
<p>WOW. This would go well with the same concepts of www.foodrising.org This is a keeper of an instructable. Thanks a bunch! </p>
<p>Nice project. Good propagation system, seems simple to make, too. I really like the interactive models in the ible here.</p>
<p>brilliant.! </p><p>keeping the light constantly on for the first 1-2 days (or more) may increase rooting chance. rootcup is extra cool because you don't need rooting chemicals..</p><p>favorite + follow</p>
<p>love the graphic info, and must admit that root cup is probably better than my current rooting method of a jam jar on the kitchen windowsill :-)</p>
<p>Hello, nice work mate. </p><p>Does this work with aquatic plants as i often need to propagate them and i find it annoying when the fish pull them out and loose plants because of this.</p>
Your info graphic is hilarious!
<p>This is genius!</p>
This is great. Such a simple and practical idea.
<p>Great idea!</p>
<p>Printed with $0.96 of PLA (8358mm @ 1.75diameter) on Printrbot Simple Metal, 12minutes print time with a 0.5mm nozzle, solid fill.</p>
<p>Printed in PLA (biodegradable resin derived from corn starch) on Lulzbot TAZ5 (open source 3D printer Made in USA). Approximately 30minutes print time.</p>
<p>Very cool idea!</p>

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