3D Print Barn Door Tracker

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Build and quick test of a 3D printed barn door tracker for Milky Way photography and astroimaging.
Total build cost ~ £50.
3D files on Thingiverse: www.thingiverse.com/thing:489...
3D print tripod plate
2-off 608ZZ skateboard bearings www.amazon.co.uk/gp/product/B...
Tripod nut 1/4-20 www.amazon.co.uk/gp/product/B...
12v DC 1 rpm motor www.ebay.co.uk/itm/2746594760...
M6 threaded stainless steel rod www.ebay.co.uk/itm/193855058944
M4x30 machine screw + spring washer + washers
M6 nut
M6 acorn nut
M8 bolt and thumbscrew
3D-print 40 teeth spur gear for M6 nut
3D-print 40 teeth spur gear for motor
3D print camera plate
3/8 camera bolt
51 degree plinth
finder shoe
finder shoe screw
Electrickery
RCA phono plugs www.amazon.co.uk/gp/product/B...
12V PWM regulator www.amazon.co.uk/gp/product/B...
12V voltmeter with USB www.amazon.co.uk/gp/product/B...
project box
Wiring, solder, heat shrink, connector block

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Опубликовано:

25 июн 2021

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Комментарии : 69

@richharris9036 7 месяцев назад

I'm currently printing the parts for this, and I'll share my finished project when I reach that point. I didn't realize it until it was too late, but my print bed isn't large enough to print it in single pieces.

@RefreshingViews 6 месяцев назад

Ah! Have you managed to adapt it for your printer bed? Good luck and let me know how you get on.

@richharris9036 6 месяцев назад

@RefreshingViews I ended up cutting the parts in half and printing them, then gluing then together. It worked out pretty well.

@tommordasky2727 3 года назад

Amazing!

@RefreshingViews 3 года назад

Thanks Tom - and easy to make too!

@spydamann1244 2 года назад

I'm glad you didn't go the route of monetary value. I mean, we all have budgets, you could've made some great profit on selling this. 👍 but, like my grandfather always said, "A sharing friend, is the better friend." 😃

@RefreshingViews 2 года назад

Very true - I hope it is of use to you.

@mreilly1325 7 месяцев назад

Great vlog great bit of kit looks a lot better with the 3d printed parts unfortunately i don't have a 3d printer

@RefreshingViews 6 месяцев назад

Thanks - yeah it does look better doesn’t it? Clear skies to you.

@Noob.astronomer 5 месяцев назад

U can try the online 3d printing services

@user-ud1zo9so3k 5 месяцев назад

hey can u please show the connectivity of the whole wire system and how those gears move

@tuloko16 2 года назад

Do you see any issues on making the “hinge” larger and hollowed out to fit the finder in there?

@RefreshingViews 2 года назад

That would be perfect, albeit tricky to make. Perhaps bore a hole down the centre of the bolt?

@RR673 2 года назад

Very nice work. I need a 3d Printer.😊 Greetings from Germany.

@RefreshingViews 2 года назад

Grüße auch an dich! I love my 3D printer, you won’t regret it. That being said you can make the tracker from plywood and stuff from the hardware store.

@RR673 2 года назад

@@RefreshingViews That‘s right but this looks better.👍

@RR673 2 года назад

@@RefreshingViews What Printer did you use?

@RefreshingViews 2 года назад

@@RR673 I have a CR10S - it’s a few years old now but still works great.

@RefreshingViews 2 года назад

@@RR673 I have a CR10S - few years old now but working great

@fromfutureroms5866 2 года назад

Great work. How long can you expose for example with 200mm? I have build one too (with your gears from thingiverse) but my tripod is crap. :(

@RefreshingViews 2 года назад

Glad you are enjoying it and yes a decent tripod will make all the difference. I am only using mine with a wide angle Samyang 14mm so don't know how well it will perform with something more powerful. Let us know how you get on!

@alexpol9065 5 месяцев назад

Good day. Could you advise on following: 1. Use a microwave motor 21 V 2-3 rpm with PWR regulator 2 Use 2 disks with a belt like a gear. How to do calculation than?

@user-vd8od2yk6s Год назад

Really impressed, I don't know if you're reading the comments yet, but if you are, could you tell me the length of the M6 rod?

@RefreshingViews Год назад

It’s about 120-130mm long - the middle third or so after it was bent.

@carlwykes9870 2 года назад

Do i have to reverse the tracker when tracking on the other side of the celestial pole?

@RefreshingViews 2 года назад

Hi Carl yes you will as, relative to the stars, you are upside down to me!

@Joshharwoodwhite1 11 месяцев назад

Hi there, this is awesome. Just a couple of questions. How does the second gear screw onto the threaded rod? And does it matter what number of teeth the gears have? Thanks

@RefreshingViews 11 месяцев назад

I epoxied a nut into the gear; and I just went for the biggest gears that fitted in the space (1:1 gear ratio).

@Joshharwoodwhite1 11 месяцев назад

@@RefreshingViews Thanks😁👍

@colin310 Год назад

Hi there, do you happen to know the torque of the motor you are using? I was hoping to get one that is 3-5V so that I can use it without having to have power from a house. I have looked at a few motors but im not sure if they will be powerful enough

@RefreshingViews Год назад

Not sure of the exact torque but it’s powerful enough to life the camera and it’s lens. Obviously the slow rpm helps with power-torque.

@czajla Год назад

gear ratio makes that motor does not require a lot of torque. I have built a barn door tracker using a 28BYJ-48 5V motor. It did not work well because whole set was too wobbly, but engine power was more than enough

@GeertDroid 2 года назад

Can you make a video of the results? And would be a stepper motor not more precisely?

@RefreshingViews 2 года назад

Here is it's first use (while waiting for the dark skies to return): ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-2uQKm_Y97LA.html And yes, probably, but it was designed to be simple and easy.

@amrelsayed5893 9 месяцев назад

Hey, Thanks for the video, I will 3D print that, I think the plate is 270 mm as i can see from the file is that correct? Cause u have X axis size 100mm and Y size 270mm, So does that mean that it's 270mm long and 100mm thick? And What are the print materials that could handle a DSLR camera? One final question :D You said that it will move 1 step (in rod) each minute, Does that mean the mount will move every minute or it will continue to move small steps through the 1 minute? Cause if we are going to use a lense like 55mm we need it to move every 9 seconds. Thanks

@RefreshingViews 8 месяцев назад

I printed in PETG as that withstands “hot car temperature”. The motor is a DC motor so it moves continuously at the sideral rate. All dimensions are in the print files. Good luck and let us know how you get on.

@Eosph0r0s 2 года назад

What's the type/name for the "polar scope" looking how to find one cheap

@RefreshingViews 2 года назад

That’s a 6x30 finder scope. If you want cheap, a simple biro tube held against the hinge will suffice for wide angle shots. www.firstlightoptics.com/finders/sky-watcher-6x30-right-angled-finderscope.html

@kiritengineer7506 2 года назад

Sir, The ball head you have set is it to same place or we can fix it any were Please let us know Thanks

@RefreshingViews 2 года назад

Hi Kirit - you can point the ball head where you want (up, down, left right). The camera is then pointing where you want while the tracker remains aligned to the celestial pole.

@kiritengineer7506 2 года назад

@@RefreshingViews Rest of all I kenw . Thanks sir

@charlesparell5597 2 года назад

How do you make the curved threaded rod?

@RefreshingViews 2 года назад

I bought a stainless steel rod; marked out the desired radius with a compass on a piece of paper and then bent it by hand to match the curve. The best part was in the centre so I cut the ends off with a hacksaw.

@richharris9036 7 месяцев назад

Would you know the radius of the curved rod off hand?

@RefreshingViews 6 месяцев назад

Not without looking it up! You can find the first video in the Barn Door playlist when I made the first version in plywood: www.youtube.com/@RefreshingViews/playlists

@SackyX 9 месяцев назад

How do I figure out where the camera mount goes for my latitude? Thank you in advance.

@RefreshingViews 9 месяцев назад

astrobackyard.com/polar-alignment/

@pterois5914 2 года назад

Nice, but how in the world could you print that 270mm long plate on a creality ender 3 which has a print size of only 220 x 220 x 250 mm ?

@RefreshingViews 2 года назад

That's because I have a CR10 with bed size 300x300x400

@pterois5914 2 года назад

@@RefreshingViews oh, i see, so the printer in the thingiverse description is a different one...

@RefreshingViews 2 года назад

@@pterois5914 Oh - I must have ticked the wrong box when I saw Creality .... Update to follow on thingiverse. Thanks for the heads up.

@Wrublos212 2 года назад

Would be very nice to optimize the project for some popular printers like Ender 3. CR10 Is a beast :)

@tomrest6402 2 года назад

You should have a shop and sell a kit... ;)

@RefreshingViews 2 года назад

That’s an idea, Tom. That being said I’m happy to publish the design and let others build their own.

@mikesgarage394 2 года назад

Great tracker. Unfortunately it is larger than typical print bed. I don't suppose you could break into smaller parts or provide the files in thingaverse.

@RefreshingViews 2 года назад

The files are there, already Mike: www.thingiverse.com/thing:4893159

@mikesgarage394 2 года назад

@@RefreshingViews Not the fusion files. I do see that the Fusion of the month allows more editing than on STL than previously.

@RefreshingViews 2 года назад

@@mikesgarage394 Apols - I am now confounded! What files are you after as those are the ones Fusion 360 spits out. Let me know what you need and bear with me!

@mikesgarage394 2 года назад

@@RefreshingViews The raw fusion files, f3d or stp, not stl. Doesn't matter, I have figured out how to convert and split the stls. Should be able to have them printable in 2 parts for smaller printers.

@RefreshingViews 2 года назад

@@mikesgarage394 Ah, glad you’ve got it sorted. Let me know if you need anything else.

@niksi_fpv2313 2 года назад

Can you give me the links to the electronics

@RefreshingViews 2 года назад

They’re in the description

@krystianurbanski8550 2 года назад

Hello, i would like to ask if its possible to buy it from You?

@RefreshingViews 2 года назад

Hi Krystian - I am not making these myself but you can make a simple wooden version. I hope that helps! ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-dccH9_qvoU0.html