Practical Designs. Precision-Printed. Aquarium-Tested.
Every KnickKnack Aquatics product is born from real aquarium challenges and engineered to make fishkeeping simpler, cleaner, and more sustainable. Printed in Mid-Missouri using durable, aquarium-safe PLA+, each design is hands-on tested in our tanks before it reaches yours.
Solutions That Make Every Tank Run Smoother
We focus on products that solve real-world problems — whether you’re maintaining a planted aquascape, breeding cichlids, or fine-tuning your filtration system.
Custom Aquarium Solutions for Hobbyists and Stores
Need something specific for your setup? We specialize in custom 3D printing for aquarium hobbyists, breeders, and retail stores. From one-off prototypes to small production runs, we can adapt existing designs or create something completely new — all using the same sustainable, aquarium-safe process trusted by our customers. Example Past Projects:
PVC Spray Bar Adapters
Filter Intakes & Drain Covers
Specialty Breeding Accessories
