For example, this flower transport crate.  This design is really complicated; it has not only sliders in the 4 sides like normal crates, but also many lifters to form the bottom design.   We used hundreds of pins to form the needle shapes.

Plastic crate injection mold Mold cavity：1 Mold main material：P20H / 28-30HRC Runner: 4tips HR / 6tips HR

-Two color stackable crate mold with rotary platen design -1+1cavity two color mold -4-tips point hot runner gate -718H steel used for mold core and cavity -Mold size about 850 X 710 X 659mm