Pixal3D (four servers available: https://huggingface.co/spaces/TencentARC/Pixal3D-Server and documentation: https://github.com/TencentARC/Pixal3D) generates a high-quality 3D model from an imported image.

Several renderings and brightness are offered (normal, clay, color, forest, sunset and blue). Two resolutions 1024 and 1536 pixels.

GLB export.

Open source, free, account-free, and seems unlimited.

Testing since:

• https://commons.wikimedia.org/wiki/File:Bengal_tiger_in_Sanjay_Dubri_Tiger_Reserve_December_2024_by_Tisha_Mukherjee_15.jpg
• https://commons.wikimedia.org/wiki/File:Statue_of_Yaksha_supporting_one_of_the_Two_Golden_Chedi_of_Wat_Phra_Kaew,_Bangkok,_Thailand.jpg
• https://commons.wikimedia.org/wiki/File:Malabar_pied_hornbill_(Anthracoceros_coronatus)_female_in_flight.jpg