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CT3D Group – professional 3D printing, 3D scanning, design and rapid prototyping services nationwide.
- CT3D Thu Duc – Ho Chi Minh City, Hanoi, Hai Phong: in3d.edu.vn – Hotline 0975 008 728 (Mr. Thai)
- CT3D District 6 – Ho Chi Minh City: 3dmaker.vn – Hotline 038 7798308 (Mr. Phuc)
How does 3D street art create an illusion?
3D street art relies on a distorted perspective technique called anamorphosis. The image is drawn stretched and warped according to geometric rules, so when a viewer stands at exactly the right spot, the eye “corrects” it into a shape with depth, such as a deep pit, a staircase or an object rising out of the ground. Step to another spot and the picture instantly shows its real, distorted shape. Cast shadows, light and dark contrast, and real objects placed next to the painting also help trick the brain.
How a 3D optical illusion painting is made
- Choose the location and viewpoint: decide where the viewer stands and the height of their eyes or the camera lens.
- Sketch the original image: draw the idea in normal perspective on paper or a computer.
- Transfer to a distorted grid: use a square grid stretched to match the perspective, or project the image from the viewpoint onto the floor to lay it out.
- Paint and check constantly: the artist keeps going back to the viewpoint and checks through a camera to adjust proportions.
- Finish: deepen the shadows and mark the spot where viewers should stand to take photos.
From a 2D illusion to a real 3D model
A 3D painting only “has volume” from one angle, while a real 3D model, statue or display can be seen from every side. That is why many amusement parks, cafes and event spaces combine the two: the painting creates the backdrop, while raised objects such as character statues, 3D letters and photo props are made from CNC foam, composite or 3D printing so guests can interact with them. This combination makes the space more lively and more durable than paint alone. If you need 3D decorative objects for a space like this, take a look at decor and display model production, from 3D design to painted finish.
Frequently asked questions
Why does a 3D painting only look right from one angle?
Because the image is deliberately distorted for one exact viewpoint. Only from that spot do the proportions match the perspective the eye is used to, which creates a sense of depth. From anywhere else, the image looks stretched or warped.
What materials are used for 3D street art?
Short-term performance pieces are usually done in colored chalk, so they fade easily and wash away in the rain. Permanent pieces on floors and walls usually use acrylic or exterior paint with a protective coat to resist sun, rain and wear.
Can 3D art be painted in a cafe or a home?
Yes. 3D art on indoor floors and walls is very popular in cafes, play areas and children’s rooms. Decide in advance where guests will stand to take photos, and choose wear-resistant paint if it is on a floor with foot traffic.
Is 3D optical illusion art related to 3D printing?
Not directly. A 3D painting is a 2D image that creates an illusion, while 3D printing makes objects with real volume. The two are often combined in decoration, for example by placing a 3D printed model next to a painting to boost the pop-out effect.
How do you photograph 3D art for the best effect?
Stand on the marked spot and hold the camera at the height the artist planned for, usually close to the eye level of a standing person. Use a normal lens rather than a very wide angle, and have the person posing interact with details in the painting to make the photo more convincing.
Related services at CT3D Group
- Custom 3D printing service
- 3D scanning service – high-accuracy 3D scanning
- Custom 3D design service
- CT3D Group network: ct3dgroup.com · in3d.edu.vn – Hotline/Zalo 0975 008 728
