book collections email follower instructable user
Picture of 3D Printer the C3Dt/bd (Big Delta)
IMG_0078.JPG
2019-03-31 19.31.49.jpg

The C3Dt/bd is my latest 3D printer design and has been turning heads at various Maker Faires and most notably at the MidWest RepRap Festival 2019. It is large and and it is accurate and most importantly, most of it's parts are off the shelf. Following are some of the features of the C3Dt/bd:

  • Build Volume: 330mm(dia)x1240mm
  • Board: DuetWifi (24Volt)
  • Screen: Panel Due
  • Delta Smart Effector
  • BondTech Extruder
  • Flying extruder
  • Hot-end: E3D
  • Auto bed Leveling
  • BuildTak Flex Plate system (magnetic bed)
  • Built-in bed tensioning
  • Haydn Huntley’s Magball Delta arms
  • Easily detachable Flying extruder
  • 110volt heated bed
  • 6.8mm aluminum bed
  • Nema 23 stepper motors
  • Unique Cable Management
  • Board cooling fans
  • Parts cooling fan
  • 40mm fan bracket for heatsink (reduces noise)
  • Optional wheels in case you move it a lot

Fair warning, this is NOT a budget printer. Parts can easily run into to the thousands, but you do get one nicely working printer out of this. This being my first Delta, I was concerned about calibration and troubleshooting but I found that with the combination of parts/features above, the setup was child's play compared to some of the other printers I have designed.

For those who have seen this printer up and close, you'll know it's special feature is the convertible bed allowing the bed to to move position. This instructable currently DOES NOT cover that feature. However, I will point out design/purchase differences allowing to you to upgrade to this feature, once I do make it available.

disclaimer: I'm an affiliate to Amazon and any purchase you make through my links (please do) get me a small commission. It doesn't cover my cost but does allow me to buy some filament from time to time.

Step 1: Bill of Materials

Picture of Bill of Materials
IMG_0088 (2).JPG

As I mentioned in the intro, this is not a budget printer. Cost on parts for me has run close to $4000. The parts below are mostly sourced in the US and I've opted for high quality linear rails by THK. These rails by far are the most expensive component of this printer. You can shop around for cheaper (or used on eBay) but, keep in mind that cheap rails may make for lower quality prints (a shame on a printer as large as this one).

Hardware

Linear Rail 1630mm x3 $1,194.00: https://www.thkstore.com/radial-rail-sr.html

Rail Block x3* $333.00 https://www.thkstore.com/sr-w-block.html

Effector arms (360mm) with Magballs $79.99: Filastruder

Bed Aluminum Cast 1/4inchx330mm $55.00 https://www.ebay.com/usr/lumberjack1983 (Ask for quote)

Gt2 belt 10m x2 $25.76 https://amzn.to/2I9ZHBk

Gt2 20 teeth 6.35mm pulley $9.19 https://amzn.to/2Gaoens

Gt2 20 teeth idler $3.99 https://amzn.to/2YYKQi6

Corner brackets $51.00 https://amzn.to/2D6ilWm

1515 Extrusion $224 (plus shipping): https://8020.net/1515-ls.html

BuildTak Flex Plate system $105.00: BuildTak.com

PEI Sheet 12"x12" $19.95: https://amzn.to/2Gkwr7v

3M double sided adhesive 12"x12" $14.99: https://amzn.to/2VRiNzb

BMG extruder $89.99: https://amzn.to/2U91dVQ

Casters (wheels) $12.00: Home Depot

Slinky (yes that's right) $5.93 https://amzn.to/2OZkKag

Cork $11.10: https://amzn.to/2U4m4cJ

Nema 23 Stepper Vibration dampers $11.99 https://amzn.to/2VtKtKp

Cup Hooks $3.79: https://amzn.to/2D4rMFO

Latex Tubing $12.99: https://amzn.to/2GkgnUC

Acrylic sheet $15.61: https://amzn.to/2VYE6PH

Electronics

DuetWifi $169.99: FilaStruder.com

Delta Smart Effector $64.99: Filastruder.com

Panel Due 7i $99.99: Filastruder.com

Nema 23 Stepper Motor x3 $114.00: https://amzn.to/2YYNpke

Nema 17 Stepper Motor x1 $10.98: https://amzn.to/2X440Bu

Keenovo silicone bed $65.50: https://amzn.to/2Z0MQ9F

Solid State Relay (SSR) $7.99: https://amzn.to/2UrK12U

40mm fan 24v 40mm $9.99: https://amzn.to/2G2L7YL

Block/thermistor sock $19.99: Filastruder.com

E3d heat break $14.99: Filastruder.com

Heat cartridge 24V $7.99: Filastruder.com

Mean Well 24Volt PSU $44.99: https://amzn.to/2UOku34

22 Gauge wire for heater $10.98 https://amzn.to/2CZTMdV

16 gauge wire for mains $16.95: https://amzn.to/2WWBIbZ

Mail power socket $5:29 https://amzn.to/2KnHZfp

Power cord $6.47: https://amzn.to/2Vxc0L7

Wiring spade fork $7.82: https://amzn.to/2KmT28A

Wiring spade quick connectors $9.99: https://amzn.to/2FZ3CNM

Ferrules $13.89 https://amzn.to/2VvzvUx

Braided sleeving $10.95 https://amzn.to/2FZx6Ll

Terminal strip (8 pos) $12.89 https://amzn.to/2P7CAYV

Makerbot style end stops $9.90: https://amzn.to/2G7DpNg

Stepper cables (40m) $38.00: https://amzn.to/2D4PYrH

JST Connector Kit $8.99: https://amzn.to/2Z7rR51

Shrink Tubing $8.37: https://amzn.to/2X89efG

Fasteners

M3 t-nut (300) $40.10 AliExpress.com

M4 20mm hex socket screws $12.99: https://amzn.to/2YWzCeh

M6 10mm hex socket screws $12.99: https://amzn.to/2WYQK18

M6 16mm hex socket screws $12.99 https://amzn.to/2GbB9FM

M6 20mm hex socket screws $10.99 https://amzn.to/2IkypHw

M5 10mm hex socket screws $9.38 https://amzn.to/2I7hau9

M6 T-nuts (150) $30.00: https://amzn.to/2D3phng

M3 20mm hex socket screws $9.25: https://amzn.to/2Z0QQqH

M3 14mm hex socket screws $8.95: https://amzn.to/2V4lj8m

M3 16mm hex socket screws $9.25: https://amzn.to/2DaQnJ9

M3 25mm hex socket screws $12.99: https://amzn.to/2D4ByrC

Assorted long m3 hex socket screws $12.99: https://amzn.to/2WUCUwx

M3 square nuts $6.99: https://amzn.to/2Ut7QHo

Adhesive transfer tape $14.99: https://amzn.to/2G7B0SK

M3 Hex nut $5.99: https://amzn.to/2IohQuk

M4 Flat hex nuts $9.62: McMaster Carr

M4 Lock Washers $2.71: McMaster Carr

M4 10mm hex socket screws $8.79: https://amzn.to/2I9kHIp

M4 8mm hex socket screw $8.79: https://amzn.to/2WZCcy3

Micro Zip Ties $5.99: https://amzn.to/2X9YZrb

#10 3/4" washers $10.95: https://amzn.to/2GlSoV9

Wood screws #4 3/4" $9.98: https://amzn.to/2VREBLl

Filament

PETG x4 $84.00: https://amzn.to/2Kkarid

PLA $x3 $60.00: https://amzn.to/2GdQ3vn

* 6 needed in case of future upgrade to movable bed

996Le4 months ago
this content is really interesting and informatic, thank you for sharing.
http://hotmaillogin-english.com/
LisaDevis4 months ago
This is really helpful. Thank you for sharing the wonderful information. Kindly do visit this 123.hp.com/setup website for gadget related information
WinsionL5 months ago
http://winsionliang.com/3d-print-works/huge-3d-pri...
I let you see what I did before ... :-p
Core3D (author)  WinsionL5 months ago
Nice!
Wonderful Instructable, and thank you so much for bringing this printer to MRRF! Getting to talk to you about your printer was one of my favorite parts!
Core3D (author)  UnderwoodMakes5 months ago
Thx, It'll be tough to top this one next year at MRRF, but I'll try nonetheless.
pgs0709475 months ago
Wow -master of the third dimension.
Even the Instructable is a work of art.
Thanks for sharing all that hard work
Core3D (author)  pgs0709475 months ago
Thank you. I appreciate that. This feedback makes all the hard work even more worthwhile.
Lenwe Muriel5 months ago
I'm new to this do forgive me if I'm asking a question with an obvious answer. Did I miss it or did the author include a software section in his make? High tech iron is nice but without the software it doesn't perform well.
Core3D (author)  Lenwe Muriel5 months ago
The software is described in step 19. It comes free with the hardware (duet WiFi). Their setup documentation is excellent, the links are all there.
HaydnH5 months ago
Very cool!
I'm the chap who made the arms with zero-backlash joints for your printer, and it makes me very happy to see what you've done with them!

One thing which surprised me is that you used 20-tooth pulleys with 6mm belts. You might consider using 16-tooth pulleys (to improve the resolution by 20%) and 9mm belts (which are 50% stiffer). Over such long distances, having stiffer belts is a plus.
Core3D (author)  HaydnH5 months ago
thx, I was told this wouldn't work from the get-go with 6mm belts, (I was told something similar with my canteliver, so I defied that too) but the proof is in the puddin' as they say. I was able to print up to full height on a very narrow subject, without issues. (see attached image with 1100mm vertical windmill wings).

I did however expand the design so it can work with 9mm belt. Unfortunately, the 16 teeth pulley would be a problem if you want to upgrade this printer with the movable bed (instructable one day to come). using 16 teeth pulleys would leave too little room between the belt for my "belt grabber" mechanism.

I've also thought about designed a printer using a metal drive chain (something like #25 C/L or #35 C/L), any thought on that (certainly would look very steampunk)?

So barring a future "upgrade" to a moveable bed, 9mm belt and 16 teeth pulley will work in this design.

2019-03-11 08.50.37.jpg2018-11-03 18.43.02.jpg
HaydnH Core3D5 months ago
I can precisely build and measure arms up to 600mm in length. Let me know what you'd like: https://www.MagBallArms.com
Using belts might be better than chains, because they have less mass and backlash.
You could probably save a lot of expense by using Delrin wheels instead of linear rails -- that's what I've been using on my design: https://www.Kumu-3d.com
noodlesman2225 months ago
Wow! This is huge! There must be some kind of award this can win...
Core3D (author)  noodlesman2225 months ago
Than you, I can now print giant trophies and keep em for myself ;-)
Kittish5 months ago
Holy mother of printers! That is beautiful!
Core3D (author)  Kittish5 months ago
Thank you, that's what I aimed for. I believe Form should be up there with function.
C8theGr85 months ago
Very impressive! I can't afford to build one, but i've been wanting to learn more about how they work. No better way to do that than know how they're built. Thanks! You should enter this in an instructables contest, you'd definitely win ;)
Best of luck at the maker fairs!
Core3D (author)  C8theGr85 months ago
Thank you! no categories of contest that lines up with this printer this time. My last Printer https://www.instructables.com/id/3D-Printer-Cantilever-20-C3Dtc/ did end up as runner up in one of the contests. (Smaller and way more affordable)
KingDare5 months ago
Very honorable that you disclosed your relationship with Amazon. Thank you for your amazing honesty
This project is really cool.The size of this project is amazing.
tercero5 months ago
Ok, that is definitely the coolest build I've seen in awhile. I'm so proud of my itty bitty 23X36 table top model. Your design is the Everest of printers.
So cool.
Core3D (author)  tercero5 months ago
Thank you!