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Multiple Filament Dry Holder and Dispenser (Updated 9/19/2013)

by MarkTecWizard, published

Multiple Filament Dry Holder and Dispenser (Updated 9/19/2013) by MarkTecWizard Apr 3, 2013

Description

Update - I have three improvements See first two Pictures
1 - The changing of spools was difficult because one of the closet pole shaft holder is totally enclosed and the shaft would not lift straight up. I replaced the enclosed closet pole holder with a 1/2 enclosed pole holder with one from a second set. It is now much easier to change the spools.
2 - The spools would slide back and forth on the shaft during movement and once one of the spools started turning another spool while printing causing the other filament to unravel on the spool. I added tie wraps between each spool and left the tail on to keep the spools separate.
3 - I found when changing filaments the plug was hard to remove and replace. I drilled 1/4 inch holes in the top and added a 3 inch piece of teflon tubing secured with a tie wrap. (don't use 1/4 inch tube from Home depot it is HPFE and it has a lot of friction McMaster has PTFE tubing). When the filament is not in use I loop the end back into the tube which prevents it from slipping back into the bin.

I designed this holder to solve three problems. 1 - PLA needs to be stored in a dry environment to prevent moisture absorption into the PLA which cause printing problems 2 - The Replicator 2 needs to be moved and turned around to change filaments. 3 - The removal of the spool from the spool shaft is a struggle.

This design solves all three problems.

Recent Comments

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Yes Please share some photos.. I'd appreciate it. Also I am having trouble keeping my filament from jumping over to other rolls.. how did you prevent this?

I use the same box as in the material list and I cut a T Slot in the long side of the box. I covered the edge with clear packing tape because there was a sharp edge after cutting. The bottom of the T allows the cable and feeder tube to pass through and the top of the T allows the lateral movement. I created the top specifically to stop external cold air from blowing onto the build and causing poor layer adhesion. This top has worked out for me. For the sides I use clear plastic film like from a zip lock bag. It acts like a curtain so cold air will not blow in from the sides. If you still need a picture post another comment.

I do not have a problem with twisting. I pull some out of the box and then feed it into the tube and it finds its own position that does not seem to bind or "twist" as it goes through the feeder tube. I do sometimes have a problem with the filament falling over the edge of the spool and when I load it and it is a pain to get it to stay between the spool sides as I place the cover back on.

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Instructions

Materials and Price
Kmart
KIS 17 Quart Omni Box Kmart Item# 011W845995110001 $6.74
Home Depot
Charlotte Pipe 1 in. x 2 ft. PVC Sch. 40 Plain End Pipe Model # PVC 04010 0200 $1.90
Closet Pro 1-3/8 in. White Metal Closet Pole Sockets Model # RP-0039-WT25 $2.72
Crown Bolt #6-32 x 1/2 in. Zinc-Plated Steel Round-Head Machine Screws (8-Pack) $1.19
Crown Bolt #6 Zinc-Plated Steel Flat Washers (30-Pack) Model # 19791 $1.19
Frost King E/O 3/4 in. x 10 ft. Rubber Foam Tape Model # R534H $3.48
Amazon
Dry-Packs 1-Ounce Moisture Absorbing Silica Gel Indicating Packet B001UYEBNW $5.50
Ace Hardware
Super Lube

How do you have your hood for your printer? I see you used a Tupperware on top, but do you have a "outtake" fan? How are the fumes on your setup.. I would really like to see a picture of that setup! I made a box out of a pvc frame and put an inline fan blowing the fumes out... but the box is becoming a pain.. unfortunately I do not have a metal frame on mine and I was hoping to avoid altering the wood frame.

I use the same box as in the material list and I cut a T Slot in the long side of the box. I covered the edge with clear packing tape because there was a sharp edge after cutting. The bottom of the T allows the cable and feeder tube to pass through and the top of the T allows the lateral movement. I created the top specifically to stop external cold air from blowing onto the build and causing poor layer adhesion. This top has worked out for me. For the sides I use clear plastic film like from a zip lock bag. It acts like a curtain so cold air will not blow in from the sides. If you still need a picture post another comment.

Yes Please share some photos.. I'd appreciate it. Also I am having trouble keeping my filament from jumping over to other rolls.. how did you prevent this?

How has this worked for you? The PLA I use has such a strong "memory" I'm concerned that it will try to twist 180 degrees or bind when going over the top doing a sort of "back bend".

I do not have a problem with twisting. I pull some out of the box and then feed it into the tube and it finds its own position that does not seem to bind or "twist" as it goes through the feeder tube. I do sometimes have a problem with the filament falling over the edge of the spool and when I load it and it is a pain to get it to stay between the spool sides as I place the cover back on.

Love it! I will try it for Nylon and will use a small hygrometer to see when the silica needs to be dried.

Love it! Thanks for the inspiration!

Great idea? Is this designed for 1.75mm or 3mm?

Could be for either size.

Could be for either size.

Also stops dust buildup. Nice!

I was going to include the dust wiper thing that is posted on Thingiverse but I decided that since the material is always covered it is unnecessary.

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