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Douglas Gennetten

@dgennetten

226

followers

915

following

Student, Engineer, Artist

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by @dgennetten

4

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9 days ago

Deadman Fire Lookout by @dgennetten

8

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16 days ago

#AutumnalEquinox
#Sundial
PrecisionSundial.com by @dgennetten

5

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a month ago

The Dual-Dial Project. A new easy-to-read pop-up Greeting Card Sundial. Summer-Fall on one side, Winter-Spring on the other. PrecisionSundial.com

#PopUp
#Sundial
#PaperArt by @dgennetten

32

2

2 months ago

6 days.
5 aching backs.
3 overworked llamas.
350 trail-blocking trees.
Nature didn't stand a chance.
(You're welcome)

#USFSvolunteer
#PoudreWildernessVolunteers
#RawahWilderness by @dgennetten

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2 months ago

Excellent first day & night supporting the USFS as volunteer on the Deadman Fire Lookout Tower.
#LookoutTower by @dgennetten

13

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3 months ago

New live shadow modeling. Show current live shadow for any location. Animate current time throughout the year or current date throughout the day. Accurate soft-shadow penumbra.

PrecisionSundial.com

Always FREE and OPEN SOURCE. Forever.

#Sundial
#Analemma by @dgennetten

8

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4 months ago

Sneak Peak at the new Pop-Up Greeting Card Sundials that I am creating for the gift bags at the 2026 NASS (North American Sundial Society) Conference in Louisville, Kentucky.

Make your own at PrecisionSundial.com

#Sundial
#PopUp by @dgennetten

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4 months ago

Pentagonal Luminaire
Kansas Limestone, solar charged LED

Enjoyed an amazing weekend at the 2Sculpt carving workshop in Lawrence, KS. The 50th and final year of Myles Schachter's symposium.

(the one thing that will never get blown off the dock!)

#StoneSculpture
#Limestone
#SolidGeometry
#2sculpt by @dgennetten

15

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5 months ago

New, Improved Precision Sundial Generator!
http:/sundial.gennetten.org

* New support for declined dials (not aligned north-south)
* Better support for mobile
* Multi-lingual How-To guide
* Pop-up gnomon: Print, Cut, and Assemble!
* Still Free and Open Source

#Sundial
#PopUp
#MathArt by @dgennetten

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7 months ago

by @dgennetten

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7 months ago

Super excited about the first shipment from The Wild Carrot Society! Thx @perelandrabookshop!

#WildCarrotSociety
#PerelandraBooks
#WolverinePublickHouse

#ForLiteraryEnchantment by @dgennetten

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1

8 months ago