They are more transparent than most other lenticular sheets because they are acrylic. It's not ideal optics, but it can be used in experiments and other non-critical applications. I haven't seen the best yet.
Optical Crystal Photography Prisms Science
3 Review
π Diffraction Grating Slides by Rainbow Symphony
3 Review
Enhancing Learning with Optical Photography Triangular Teaching Education
3 Review
πΈ Unleash Your Creative Potential with the Young4Us Triangular Photography Teaching Spectrum
3 Review
Anatomical Chart of Spinal Nerves and Dermatomes
3 Review
π©Ί Anatomical Laminated Respiratory Circulatory Pack: Enhancing Understanding and Visualization for Medical Professionals
3 Review
π§ Enhancing Anatomy Learning: Portable & Detachable Enlarged Anatomical Education Aid for Students
3 Review
π Musculoskeletal Anatomy Chart by Palace Learning
3 Review