Modmike's Ultimate No Drill Dry Box System

Modmike's Ultimate No Drill Dry Box System

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Print Profile(2)

All
X1 Carbon
P1S
P1P
X1
X1E
A1

0.2mm layer, 3 walls, 15% infill
0.2mm layer, 3 walls, 15% infill
Designer
2.6 h
1 plate
4.8(13)

0.12mm layer, 3 walls, 15% infill
0.12mm layer, 3 walls, 15% infill
Designer
1.8 h
1 plate
5.0(2)

Open in Bambu Studio
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Released

Description

Updates:

 

24.04.27 - Added PLA CF and PLA Tran as per user request

23.12.05 - Added new rectangular filament box for rectangular containers. Please see the Additional Parts section items 1b for link to box. The print has not ben tested yet, looking for feedback.

23.12.05 - Re-toleranced the lid threads for easier printing, tested, and uploaded. All non-tpu lid parts can now be printed on one plate

23.10.15 - I re-uploaded the covers and tray because I forgot to clearance them when I re-did them.

23.11.06 - Added a hygrometer frame for round hygrometers with vertical mounting tabs.

 

Introduction

 

Ever since I entered the hobby in 2016, I've struggled to find a filament storage system to fit my needs. Like most people, I used large air tight tubs to store multiple rolls but they have serious shortcomings:

  1. Opening a box repeatedly to access a roll lets in a fairly large volume of air that had to be dried out again, which rapidly saturates desiccant.
  2. It was impossible to read the filament type on the labels of rolls packed shoulder to shoulder.
  3. Using dedicated boxes for each filament type took even more room becasue many were not optimally packed. I would literally end up with 1 large box for a single roll.
  4. Even when full of rolls, there was a lot of unusable space which added to their already considerable bulk.
  5. Full boxes were heavy making stacking and unstacking a real chore when looking for a roll or trying to remeber what I had.
  6. There was no elegant way to store the boxes. The ever present pile of ugly boxes awere always in the way and a blight in my shop.
  7. Mutli filament dry box storage and feed systems are especially useless when you have an AMS.

Fun fact: My current Ikea book shelf will fit up to 84 rolls of filament. 56 face forward as seen in the picture and another 4 behind them. I usally put repeat colours or unopened boxes behinfd the front ones but I suggest reinforcing the shelf using a piece of wood screwed to accross the bottom of the shelf.

Fun story: everytime I showed the new system to freinds, they would pull out their huge boxes with a very proud and superior attitude as if they were educating me. They were also the first converts.

 

Design Goals

 

My original design goals was to design an affordable single roll storage system that fit rolls tightly and was as hardware free as possible. As usual, scope creep set in and the design expanded to include:

  1. A component to support round hygrometers which I think look better but also fit neatly between the dry box mold lines, making them easy to read. They are also ridiculously cheap in bulk.
  2. Eliminate the need for screws and avoid having to drill holes to make it accessible to more makers.
  3. A simple, inexpensive and reliable roller system that used minimal hardware to reduce complexity and print time.
  4. A replacement lid that integrates a bowden PTC fitting to feed the filament.
  5. A filament hook to secure the filament without opening the box after use.
  6. A cap to seal the box when not in use.
  7. My favorite part was developing an easy to use filament identification system. Each filament class has it's own shape that is modified for variants. Ex: The PLA tag is a square while all PLA derivatives are square with rounded corners.
  8. Color changes are at the layer level meaning anyone can enjoy 2 color tags.

The Parts

 

Before you start we need to discuss tolerances. This project has some tight tolerances in relation to each other. They should work fine if you follow a few rules:

  • Print the parts on the same printer
  • Use the same filament
  • Print the tray cover and tray in the same direction

If anyone has issue with the tolerances please let me know in the comments.

There are 2 covers to choose from, standard or roller. I am exclusively printing the roller because even if I don't intend to box feed, it holds the reels nicely.

  1. Cover (Standard or roller)
  2. Silica tray
  3. Hygrometer frame
  4. Filament Tag, Please note that I didn't want to re-do my normals in Fusion 360 so they are all facing backwards. Use the 3D viewer to see them in full.

If you need a filament tag that I haven't included, please let me know in the comments.

 

Optional Parts

 

If you want to box feed will also need:

  1. Lid
  2. PTC fitting (Bowden coupler) mount
  3. Gasket (TPU)
  4. Cap

Printing

 

In order for the threads to work properly, print all the lid components at .12.

  • All other parts can be printed at .2 layer height and Bambu sport mode speed.
  • Print the gasket with TPU, beveled side up, on a non textured plate to get a smooth interface surface that will ensure a good seal.
  • If printing multi color without an AMS or similar, create a plate of the filament tags you want and paint the top 1 mm with your contrast color of choice. Add a pause at the color layer and swap the filament manually

Assembly

  1. If you opted for the roller cover, insert bowden tubing into the front and trim. Repeat for rear.
  2. Use the measuring cup included with the containers to measure out 50ml of beads and gently pour them into the dessicant tray from the side of the cup to avoid runaway beads.
  3. Slide the cover on, making sure to first insert the side locks properly in the slots and then sliding forwards to lock the front.
  4. Install a hygrometer into the Hygrometer frame.
  5. Pick a filament tag and place it text side up on a table with sharp edges. Now push the hygrometer frame tag slot down on the tag pin and rock left and right until the tag is is flush with the tag standoff.
  6. Slide in the the tag and hygrometer assembly to clamp everything together.

Optional Lid Assembly

  1. Screw the PTC bowden connector into the PTC Fitting mount. You can use teflon tape to get a better seal.
  2. Screw the assembly into the bottom of the lid and all the way though to ensure the threads don't jam when you glue it.
  3. Unscrew the PTC Fitting mount down to expose about 4mm of threads below the bottom of the lid plate.
  4. Apply super glue and screw back until flush and the filament clip is pointing straight away from the back of the container. There is a tiny bevel you can fill with glue to make it air tight. Practice before you glue!
  5. Remove the lid of the container completely and push in the assembly. You can put teflon on the round part of the lid to enhance the seal, if you feel so inclined.
  6. Insert the TPU gasket into the cap.
  7. Feed the filament through the cover and insert in the filament keeper across from the PTC fitting.
  8. Screw on the cap.

Additional Material Requirements

  1. The system is designed to work with 2 specific 4 litre cereal storage containers available from multiple vendors so make sure it exactly matches the one in the picture in case this link expires or the vendor discontinues it.
    1. Tapered 4 Litre cereal storage container
    2. Rectangular 4 litre ceral storage container
  2. Round Hygrometer. Be sure to buy in bulk, you will save up to 30% on each one!
  3. Dry & Dry brand of desiccant 3-5 mm size. Anything smaller will fall through the screen.

I initially purchased a cheaper brand but many of the beads were spilt or unevenly sized and fell through the cover slots. I also like the fact that ALL the beads indicate humidity by changing from orange to green rather than cheaper versions that are white and have indicator beads mixed in.

To calculate how much to buy, determine how many how many boxes you will need and multiply by 50 ml, which is what I put in each one. The 5 pound size contains 3,785 ml or enough for about 75 units. The 2 lbs container conatins 946ml which should fill about 19 units.

  1. 10mm PTC Bowden fitting
  2. Budget PTFE Bowden tubing. A 2 meter piece will

Per Unit Cost Breakdown

  • Container: $4.25 USD
  • Hygrometer: $1.75 USD
  • Silica gel (based on 2 lb size) $0.90 USD
  • _________________________________________
  • Sub Total $6.90
     

Optional parts for box feeding:

  • Bowden tubing, based on 2 meter piece: $0.75 USD
  • 10mm PTC fitting $0.50 USD
  • __________________________________________
  • Total BOM $8.15

Watch for coupons and buy in bulk where possible, it makes a huge difference in price.

Consideration

I put a lot of time and effort into designing and publishing this. If you like it would you consider tipping me a buck that I can put in my filament slush fund? Thanks!

Comment & Rating (80)

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yeah very cool design i now have to find a german brand of containers that fit ur dimensions xD i also like ur disription etc. thats why i want to use ur design
(Edited)
The designer has replied
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Let me know what boxes you have access to. If you can get me dimensions, I will make a variant for it. I already did it for a square based one.
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Replying to @ModMike :
ok cool u would make that? thanks really cool dimension are 3,15x8x9,84inch here is a link if u need it https://www.amazon.de/OSTBA-APPLIANCE-Vorratsdosen-Getreidespeicherbehälter-Aufbewahrungsbehälter/dp/B0CBPVPDYR/ref=sr_1_10?crid=KHAQXO385DVL&dib=eyJ2IjoiMSJ9.yWtQ1pEgbsswWpeT5q6SdZZtHJYeX8dky7IDUDYKTuTKQMnObJaQ4hg_aZCvUL2GJmD7gBowhI6qxDVPqxMZ_w.dI0mlQQ-pc0BgpgP1IB2wpSHtLSepZgIK5dLLDyNKhY&dib_tag=se&keywords=4l+vorratsdosen&qid=1705002376&sprefix=4l+vorra%2Caps%2C82&sr=8-10
(Edited)
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Replying to @Henry_TLE :
let me know if u need more dimensions
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I saw these and I had to make them. I had my spools lying all over the place, and the office was a mess. I got the boxes on special and printed these up over a weekend, and now have 24 spools ready to go at any time. PTFE tubing was brilliant to avoid spending more cost on bearings, and I already had them. picked up a bookcase on Amazon to showcase all the colours I can print.
The designer has replied
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Glad you enjoyed the system! The PTFE "bearings" also prevent excess unspooling. Maybe that's the reason most manufacturers don't do bearings anymore.
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so u just used the tupes without the fitting?
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Replying to @Henry_TLE :
You may have misunderstood (or maybe I did). The PTFE tubes that support the spool work as bearing. There is a fitting on the top where the filament exits the box.
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Very Nice Design. I printed the rectangular container parts and noticed a couple things. The tray is a little too long. It would just barely fit until you add the hygrometer and then the bezel contacts the container wall. I printed out the tray at 2mm shorter and it is a better fit. I think the optimal fit would be to shorten the tray by 1mm and then move the hygrometer back 1 mm in the shorter tray. Also, it would be nice if the PTFE holder had a little more 'meat' on it. I broke one fitting the tube in place and ended up using hot glue to repair. Thanks for the model. I too have tried various systems over the years and this single spool setup does seem like it will be better than my 'old' multi-spool tubs.
The designer has replied
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Can you paste a link to the box that you use?
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Replying to @ModMike :
My apologies for the late reply. It is the same container you linked to above. https://www.amazon.com/dp/B08YQN42HD?psc=1&ref=ppx_yo2ov_dt_b_product_details
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Replying to @Kirk :
Ok will look
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Boosted
Great design. printed in Bambu ABS, trays were perfect. slight cosmetic issue with bevel on the cap on lids but perfectly functional.
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Great Design, Small Question... I went on the roller cover. Your design includes Small Reel Adapters, Those ones have a pin, The pin is too big to insert into the bowden tubing ("If you opted for the roller cover, insert bowden tubing into the front and trim. Repeat for the rear.") and placing them as they are, They will fall... Putting only the bowden tubing looks ok, but nothing to hold the spool from the sides... What am I missing here? 8-)
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Boosted
hey can u make ur moddel fit for these one https://www.amazon.de/gp/product/B08CKB2B12/ref=sw_img_1?smid=A2USQDFCTIP1YY&;psc=1 wich measurments do u need?
The designer has replied
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It may be too narrow to fit a standard spool. Do you have one? Did you try to put a spool in it? Also afraid the the finger notch may be too extreme to fit a spool. Let me know.
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Boosted
Replying to @ModMike :
no standard spools fit perfectly tested it with bambo and elegoo spools 1kg ...yeah i have severel boxes home now
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Replying to @TLE_Henry :
SO the standard spool sits perfectly all the way to the bottom? If Yes, Then I will see if I can send you something to test.
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I would appreciate some additional tags. PLA Trans, PLA Matte, PLA-CF, PLA Sup(port) or PLA-W. If you could share the Tag Fusion files, I'll make these tags (and others in the future) and share them back. It took me a while to find you here. I first found you on printables, then thingaverse, then here. Your design is the best I've found after a lot of research and I appreciate your sharing. I've sent you a tip as an appreciation for all the work you've shared.
The designer has replied
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Thank you for the kind words and tip! . I don't think PLA-Support is a thing, I believe it's PVA for which there is an already a PVA tag in gear form. Gears support filament tools such as cleaner and support. PLA Mat also exists as PLA Mat. I try to keep the descriptions short because they RAPIDLY become tiny as I add each extra letter. I added PLA Trans and PLA and PLA-CF. Let me know if still want the other tags. Sorry for the delay in responding, life got in the way :-)
(Edited)
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Did you see the new tags and do they meet your needs?
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Replying to @ModMike :
PLA-Support is a thing and is very different from PVA. Check out BBL's page https://store.bambulab.com/collections/support?skr=yes PLA Suppport is an inexpensive filament that is very weak structurally and does not bond well to PLA. On the other hand, PVA is a very expensive, water soluble filament that will dissolve on its own in a bucket of water which is great when the support is internal to a part and could not easily (or at all) be expected to be later manually removed.
(Edited)
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Hi. I really like your concept and work but in Europe i can't find any containers exactly or just similar enough to print your design. Is there any chane to modify your model to this version of containers? If you need any measures for it, i will happily help you! https://www.amazon.de/-/en/dp/B0BL3CXNHZ?ref=ppx_yo2ov_dt_b_product_details&th=1
The designer has replied
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I can look at others and get this request often but nobody seems to respond. Did you find a container you like?
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Replying to @ModMike :
@ModMike I purchased exactly theese containers what I linked earlier. If you need any measurement i can help you. I searched for hours on amazon.de for containers whit dimensions what your's have and maybe this is the closest for it.
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Replying to @toothletmetoday :
Sorry, life got in the way. I can send you a custom piece but will need exact measurements. Let me know when we can set up a discord call.
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can you make a HS-PLA sign? i print a lot of hyper/high speed pla.
The designer has replied
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Happy to but can you link me to the particular filament you use? Thanks!
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Replying to @ModMike :
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This is awesome and checks all the boxes of every feature I've been looking for all roled into one! @ModMike would it be possible to create a version where the hygrometer is on the narrow end to accommodate someone with smaller hands and a weaker grip so that the grip part of the box faces forward?
(Edited)
The designer has replied
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I'm not sure it would fit but I had thought about it. The grip is better on the other side. Let me think on it.
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Replying to @ModMike :
Thank you for considering it! 😊
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