3D Printed Student Bag Hook V2.0

Challenge: Student wanted to design a personalised bag hook, that would be functional and personalised.   This design was originally created with a 'cone' shape, testing revealed that the bag would simply slide off making the design not work.   This design was created to adjust and solve this problem.
Background: Student was showing creative design instincts having previously been responsible for the jewellery box design amongst others.   The first design had failed, this was an attempt at an improvement to resolve the issue.

Level of Difficulty: Medium.   The design premise is basic, however there has already been a considerable reworking of the original design based around problem solving.  There is another area that requires considerable redesign - as viewed in the photograph above you can clearly see that the screw holes in the base of the plate are 2cm across.  This clearly would not work with anything other than extremely heavy and large bolts, which would not suit the purpose of this design.   
Timeframe: Seven hours - this design should require further refinementm the hook itself at present is 6cm from the base, the purpose could be achieved by having something half this distance. 
Size: The dimensions of the print are a depth of 5mm.   8cm wide, 12cm high.   As mentioned the hook comes out 6cm from the base.   The rectangle is 3.5cm by 3cm with a width of 2mm.   The base plate has a depth of 5mm.  Strength testing is required to see what weights of school bags could be held up and what the timeframe would be.
What we would do differently: The task needs to undergo strength test see what weight of school bag could be held and for what length of time.   The holes for the two screws to attatch to the wall need to be resized and redesigned. 
Next Steps for the Students: To considerably redesign the mounts for the wall and to possibly have a third screw hole at the bottom of the design.   The size of these needs to be refined.   There is a clear need for significant strength testing based on the size of the design, the weight of school bag that it can safely have (relative to the wall) and the length of time it will hold it for, which would be an amazing Mathematics lesson.

3D Print Student Bag Hook

Above: Overview of the design

Challenge: Student wanted to create an original design - a hook, complete with their name and personalised and designed to be mounted on a wall and used to hold thier bag.  The student responsible for this plan/design was a nine year old.
Background: Student was following the classroom process of selecting an original project, which was created from scratch that would have a purpose.
Level of Difficulty: Low.   The design had three key features as shown in the photograph.   Firstly a hole, which was intended to be used as the mounting hook.  Secondly the name of the individual who created it and finally the 'hook' part of the design which was created to hold the students school bag.

Note: 'Hook' needing redesign

Timeframe: Four Hours.  The base of the bag hook was designed featuring a 1cm base, conceivably this could have been 5mm (subject to strength testing, and the design for the hook - see below). 
Size: 7cm wide, 10cm high and a depth of 1cm.  The lettering was raised 5mm from the base and the point of the hook itself was raised 5cm from teh base.
What we would do differently: The design is essentially floored, but will turn into a learning project for the student.   The idea is solid, however the project is not workable.  The mounting design should have been placed in the opposite top left and right corners, rather that the middle.   The 'hook' which is cone shape at present needs to be completely redesigned to suit the purpose of the print.
Next Step for the Students: 'Hook' needs to be completely redesigned to meet the brief.  The hole to mount the design to the wall needs to be replaced by dual screw holes as mentioned.  The intention is to allow the student to test the design with a bag, which would then allow a re-design, and allow for testing on the weight of a bag to be successfully held by the design.   Could potentially be used to individualise the outside of the classroom.