This is my IPP 41 exchange puzzle, designed by Goh Pit Khiam. The frame was printed with 'glow in the dark' filament.Objective: Pack the following six pieces into the box using a 2-unit wide hole at the bottom left of the box. The red square piece must be placed at the top left corner of the box as shown by the dotted outline.Design Concept: This puzzle is based on the idea in Restricted Zone puzzle. The six pieces move in a way quite similar to Restricted Zone except the space in the box is now...

This is my IPP 41 exchange puzzle, designed by Goh Pit Khiam. The frame was printed in marble filament.Objective: Pack the following six pieces into the box using a 2-unit wide hole at the bottom left of the box. The red square piece must be placed at the top left corner of the box as shown by the dotted outline.Design Concept: This puzzle is based on the idea in Restricted Zone puzzle. The six pieces move in a way quite similar to Restricted Zone except the space in the box is now rectangular. ...

This was my exchange puzzle at IPP 39 in Japan (5 years ago). I found enough pieces to make some extra copies.All pieces were laser-cut. The pieces and frame's colour will be random.Objective: Fit 1 tetromino and 4 dominoes into a 4x4 box as follows. The pieces must go through the bottom hole.Design concept from Goh Pit Khiam: When I first designed The Restricted Zone, which was a similar puzzle where pieces fill the box entirely, I was curious whether I could create a "2D caged-burr" but with...

Hello.This is my IPP 40 exchange puzzle, designed by Goh Pit Khiam.The objective is packing the 6 pieces (2x I, 3xP, 1x L) into the frame, through a 2-unit hole at the bottom left corner. The red L piece must be placed at the bottom right corner, as indicated in the frame.There is only 1 solution. However, there is also a mini-trap (My IPP presentation subtly nudged you towards this trap :) )The frame's dimension is 14.5 x 10.5 x 2 cm. The pieces are thick and feel solid.You can choose White or...