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35 models

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Printables3DMason

Heliochronometer - World's Most Accurate Sundial

Summary The Heliochronometer is just what its name implies—a solar chronometer. It is not a toy or ordinary garden ornament, but an astronomical instrument for precision timekeeping as well as education. Main Features Accurate to within 5…

Downloads
1,576
Likes
915
Rating
5
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Printables3DMason

Heliochronometer (version 2) - World's Most Accurate Sundial

This heliochronometer was constructed out of ABS plastic filament. To find out how to align & use your sundial check out: Heliochronometer - World's Most Accurate Sundial by yba2cuo3 | Download free STL model | Printables.com Change…

Downloads
438
Likes
148
Rating
5
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Printables3DMason

Gard Heliochronometer Sundial Derivative

Summary This design was inspired by the Aten Heliochronometer Sundial, model B4003, designed and built in the 1990’s by the craftsman J.D. Gard of Tucson, Arizona. It’s a beautiful instrument made out of brass and aluminum, and it claimed…

Downloads
437
Likes
221
Rating
0
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Printables3DMason

Super Accurate Heliochronometer Sundial - 2025 - Accurate to within 1 minute!

A remix of this model is available with added improvements & features. Check out: https://www.printables.com/model/1486576-heliochronometer-sundial-2026 A great deal of effort has gone into this design, so please consider leaving a like…

Downloads
416
Likes
150
Rating
5
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Printables3DMason

Improved Heliochronometer Sundial Base Design with Integrated Bubble Levels and Magnetic Compass

This is an improved version of the original heliochronometer sundial base design. It allows one to level the base and make true north adjustments without any additional hardware. It is also compatible with the original heliochronometer…

Downloads
243
Likes
14
Rating
5
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Printables3DMason

Heliochronometer Clock Hybrid Sundial - with a Simple & Super Accurate Reading Mechanism

Introduction This design is loosely based on the Scottish Ilay Glynne sundial, a mechanical standing equinoctial ring dial which utilizes an integrated clock face with hour & minute hands. The Ilay Glynne dial was made around 1715 by…

Downloads
224
Likes
40
Rating
0
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Printables3DMason

Curved Analemma Plate for a Heliochronometer Sundial

Summary Simply replace your original flat plate analemma part with this curved plate model to improve the performance & aesthetics of your existing heliochronometer sundial. Please note that this design is only compatible with…

Downloads
171
Likes
38
Rating
0
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Printables3DMason

Heliochronometer Sundial Mount for Head Leveling Base or Tripod Ball

This is an improved version of the original heliochronometer sundial base design. It allows one to mount the sundial to a head leveling base or tripod ball to greatly simplify leveling. It also has integrated bubble levels and a magnetic…

Downloads
156
Likes
14
Rating
5
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Printables3DMason

Heliochronometer Sundial - 2026 - Accurate to within 1 minute!

Change History Update (4-06-26): (Optional) Added a blank analemma plate for those who want to experiment with their own analemma curves & text. Check the file folder: Blank Analemma Plate. Update (12-07-26): The file…

Downloads
156
Likes
43
Rating
0
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Printables3DMason

New Larger Curved Analemma Plate with Tiltable Nodus for use with 3 Original Heliochronometer Sundial Designs

Summary Just replace your original flat or curved plate vertical analemma arm with this larger curved model and add a tilt capability to your Nodus. Please note that this design is only compatible with northern-hemisphere…

Downloads
135
Likes
12
Rating
0
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Printables3DMason

Working Replica of an Early 20th Century Pilkington & Gibbs Helio-Chronometer Sundial - Accurate to within 1 minute!

Change History Update (9-02-26): Fixed a tolerance issue between the hour plate & alidade. The fix is found under: PG_heliochronometer-hour_plate_assemblyv2.3mf & PG_heliochronometer-hour_platev2.stl Update (31-03-26): (Optional…

Downloads
120
Likes
21
Rating
5
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Printables3DMason

Super Accurate Heliochronometer Sundial - 2025 - Southern Hemisphere Version - Accurate to within 1 minute!

This is the SOUTHERN HEMISPHERE VERSION. For the NORTHERN HEMISPHERE VERSION, please refer to this printable instead: Super Accurate Heliochronometer Sundial - 2025 by 3DMason | Download free STL model | Printables.com The northern &…

Downloads
73
Likes
29
Rating
0
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Printables3DMason

Martian Heliochronometer Sundial

Summary With a simple modification to the analemma plate, you can convert your Earth-based heliochronometer into an accurate Martian sundial using one of these Printable models: Planetary Geared Sundial/Clock Hybrid - The Best of both…

Downloads
60
Likes
24
Rating
0
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Printables3DMason

Full Main Dial for 2025 Heliochronometer Sundial

The original 2025 heliochronometer sundial reads time between 5:30AM & 6:30PM. This is due to the crescent main dial which limits the mechanical movement of the alidade. The original design is available here: Accurate Heliochronometer…

Downloads
33
Likes
9
Rating
0
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Printables3DMason

Heliochronometer Sundial Mounting Plate

Designed to screw on top of a railing post to facilitate the mounting of heliochronometer sundials. Uses ¼"-20 screws which is the most common size for cameras & tripods. Plate attaches to the bottom of a heliochronometer circular…

Downloads
29
Likes
3
Rating
0
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Printables3DMason

Print Friendly Curved Analemma Vertical Plate for 3DMason Heliochronometers

This design is compatible with the northern hemisphere only. The Southern hemisphere version is available here: https://www.printables.com/model/1461533-print-friendly-curved-analemma-vertical-plate-for No post-processing (other than…

Downloads
29
Likes
6
Rating
0
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Printables3DMason

Full Main Dial for 2025 Heliochronometer Sundial - Southern Hemisphere Version

Change History Update (24-10-25): The teeth on the main dial gear were re-aligned to better register with the noon mark. The original design was off by 1.25 degrees. Note that this has no impact on the reading accuracy of the dial itself…

Downloads
21
Likes
3
Rating
0
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PrintablesMakeRepair44

Pièce Chronomètre / Chronometer part Kalenji

Pièce pour maintenir la pile pour chronomètre Décathlon Kalenji. Battery holder for Kalenji Decathlon chronometer. Category: Replacement Parts

Downloads
21
Likes
0
Rating
0
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Printables3DMason

Larger Curved Analemma Plate Design for Southern Hemisphere Heliochronometers

Summary Simply replace your original flat or smaller curve plate analemma with this larger curved plate model to improve the reading accuracy of your existing southern-hemisphere heliochronometer sundial. Please note that this design is…

Downloads
20
Likes
2
Rating
0
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Printables3DMason

Heliochronometer Clock Hybrid Sundial Parts for Southern Hemisphere

This includes the southern hemisphere parts for the heliochronometer clock hybrid sundial presented at: Heliochronometer Clock Hybrid Sundial - with Reading Accuracy Optimization by 3DMason | Download free STL model | Printables.com The…

Downloads
20
Likes
2
Rating
0
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Printables3DMason

Curved Analemma Plate Design for Southern Hemisphere Heliochronometers

Summary Simply replace your original flat plate analemma part with this curved plate model to improve the performance & aesthetics of your existing heliochronometer sundial. Please note that this design is only compatible with…

Downloads
17
Likes
2
Rating
0
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PrintablesZinc

Airsoft chronometer

Project URL : https://github.com/AntumArk/AirSoftSpeed For better operation, IR leds should be oposite of each other so the projectile would block the path of light.

Downloads
15
Likes
11
Rating
0
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Printables3DMason

Print Friendly Curved Analemma Vertical Plate for 3DMason Heliochronometers - Southern Hemisphere

Compatible for the southern hemisphere only. For the northern-hemisphere version, check here for the correct parts: Print Friendly Curved Analemma Vertical Plate for 3DMason Heliochronometers by 3DMason | Download free STL model |…

Downloads
7
Likes
3
Rating
0
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Printables3DMason

A Custom Mechanical Cam for a Helio-Chronometer Sundial

This cam is part of the P&G Helio-Chronometer design described at: https://www.printables.com/model/1542266-working-replica-of-an-early-20th-century-pilkingto The cam was derived mathematically using the spreadsheets in the link provided…

Downloads
7
Likes
2
Rating
0
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Printables3DMason

Adjustable Knife-Edge Cam Follower for the Pilkington & Gibbs Helio-Chronometer

Introduction The original Pilkington & Gibbs Helio-Chronometer design does not have any adjustment provisions to compensate for any long-term wear or mechanical tolerance issues that might exist between the cam & the alidade knife-edge…

Downloads
6
Likes
2
Rating
0
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PrintablesTom Archer

Battlestar Chronometer LED Matrix Frame

An optional frame for my Battlestar Chronometer LED Matrix .

Downloads
2
Likes
1
Rating
0
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Printables

Gard Heliochronometer Sundial Derivative

Summary This design was inspired by the Aten Heliochronometer Sundial, model B4003, designed and built in the 1990’s by the craftsman J.D. Gard of Tucson, Arizona. It’s a beautiful instrument made out of brass and aluminum, and it claimed…

P
Printables

Martian Heliochronometer Sundial

Summary With a simple modification to the analemma plate, you can convert your Earth-based heliochronometer into an accurate Martian sundial using one of these Printable models: Planetary Geared Sundial/Clock Hybrid - The Best of both…

P
Printables

Full Main Dial for 2025 Heliochronometer Sundial

The original 2025 heliochronometer sundial reads time between 5:30AM & 6:30PM. This is due to the crescent main dial which limits the mechanical movement of the alidade. The original design is available here: Accurate Heliochronometer…

P
Printables

Heliochronometer Sundial - 2026 - Accurate to within 1 minute!

Change History Update (4-06-26): (Optional) Added a blank analemma plate for those who want to experiment with their own analemma curves & text. Check the file folder: Blank Analemma Plate. Update (12-07-26): The file…

P
Printables

Adjustable Knife-Edge Cam Follower for the Pilkington & Gibbs Helio-Chronometer

Introduction The original Pilkington & Gibbs Helio-Chronometer design does not have any adjustment provisions to compensate for any long-term wear or mechanical tolerance issues that might exist between the cam & the alidade knife-edge…

P
Printables

Heliochronometer - World's Most Accurate Sundial

Summary The Heliochronometer is just what its name implies—a solar chronometer. It is not a toy or ordinary garden ornament, but an astronomical instrument for precision timekeeping as well as education. Main Features Accurate to within 5…

P
Printables

Super Accurate Heliochronometer Sundial - 2025 - Accurate to within 1 minute!

A remix of this model is available with added improvements & features. Check out: https://www.printables.com/model/1486576-heliochronometer-sundial-2026 A great deal of effort has gone into this design, so please consider leaving a like…

P
Printables

Heliochronometer Sundial - 2026 - Accurate to within 1 minute!

Change History Update (4-06-26): (Optional) Added a blank analemma plate for those who want to experiment with their own analemma curves & text. Check the file folder: Blank Analemma Plate. Update (12-07-26): The file…

P
Printables

Adjustable Knife-Edge Cam Follower for the Pilkington & Gibbs Helio-Chronometer

Introduction The original Pilkington & Gibbs Helio-Chronometer design does not have any adjustment provisions to compensate for any long-term wear or mechanical tolerance issues that might exist between the cam & the alidade knife-edge…