Hello! And happy new year! (it’s not too late to say that right?) Tom aka nebulousflynn here to introduce the first 3D scanning challenge of 2017. The theme? Fruit and vegetables – we want you to help us fill a “Cornucopia” or “ Horn of plenty” with amazing scans of nature’s finest offerings. More info and rules below but the basic gist is: 3D scan a piece of fruit or veg, upload to Sketchfab and set ‘Downloadable’, tag with #3DScanFruitVeg to enter.
Update: we have a winner!
If you’re not sure what a “Cornucopia” is here’s the lowdown from Wikipedia:
The cornucopia (from Latin cornu copiae) or horn of plenty is a symbol of abundance and nourishment, commonly a large horn-shaped container overflowing with produce, flowers or nuts.
And here’s our sad, empty 3D cornucopia waiting to be filled with an abundance of produce:
We’ve been trying to think up new ways to make these challenges interesting to both new and experienced 3D scanning artists and also more community oriented – how can we work together to build something and give back to the wider 3D neighbourhood, so here’s how we’re running this challenge:
- You can use any 3D scanning method you wish but if you new to this kind of thing we are recommending you download a free trial of Agisoft’s PhotoScan for Mac or PC.
- Once you’ve created your 3D model, upload it to Sketchfab, tag it #3DScanFruitVeg and set it to Downloadable.
- Share what you’re planning to scan on the challenge thread in the forum, so that we can get a diverse collection of fruits and vegetables.
- Models must be set to Downloadable to take part in the challenge – partly so we can combine the top entries in our cornucopia scene but also because we are encouraging you to create a legacy of free and open 3D content that can be used by artists, game devs and hobbyists.
- Submit your entry before Monday, January 30.
Agisoft has generously offered a PhotoScan Standard, Stand-Alone license for the winner of this contest! The winner will also receive 3 months of Sketchfab PRO.
Scanning your fruit
In case you’re new to 3D photo-scanning (photogrammetry), I’ve made the quick guide below to get you started – all you need is a digital camera (or smartphone) and a photogrammetry app, like the PhotoScan free trial version.
I made this scan of a custard apple using 50 photos, not perfect but OK for 20 minutes work:
- I chose a subject that would be photogrammetry friendly – not too shiny, fair size.
- I mounted it on a skewer so I could photograph all around the subject.
- I roughly divided my 50 photos across 3 angles as I circled the apple: top, middle and bottom. (the GIF underneath gives you an idea of where the images were taken from)
- I processed my images.
- I downloaded the results and used a 3D tool to crop out extra geometry and decimate it to around 25k faces. I exported as an “OBJ” with a 4096 texture on the ‘Med’ setting.
- Upload to Sketchfab, light and done!
Terms and Conditions
- No purchase necessary.
- By entering this competition, entrants will be deemed to have accepted and agreed to the conditions.
- This is a contest for individuals, no teams.
- No alternative prizes available. The prize draw is not open to Sketchfab employees or their families.
- No ripping of models from anywhere on the Internet, all entries must be original work. Using work that is not your own will immediately disqualify you.
- The judges’ decision are final – in case of dispute, no correspondence will be entered into.
- Winning entries will be documented and may be used for promotional purposes.
- Contestants models must be uploaded to Sketchfab and tagged #3DScanFruitVeg to be considered.
- Winners retain all Intellectual Property as per Sketchfab standard Terms and Conditions.
- Winners and winning entries may be required to take part in any publicity resulting from this competition.
- The winners will be contacted by Friday, February 3rd.
- Promoter: Sketchfab Inc, 1123 Broadway, Suite 501, New York, NY 10010, USA.