Ying Ying Feng

Joinery Studies

1-1-02: Ledger

This joinery uses two members that notch into each other. One member extrudes out in the middle and the other member has a hole that is the invert shape of the other. These two pieces come together and connect in the middle with the notch. This type of joinery can use one simple piece that is split in half and cut precisely with the notch in the middle. However, this system is not that strong and can be pulled away easily

1-2-02: Angular Comb

This joinery uses two members that each have an angular cut out to connect into each other. These members are two separate pieces that fit together in a rectangular block using a slight angle in the connecting middle. This system is strong and won’t be pulled apart but can easily be moved around. The angular comb helps to piece it together so it can’t be pulled apart.

1-6-01: Dowel Fit

This joinery connects two members as a family into one. The original joinery comprises of 2 large dowels with an empty cylindrical hole in the center that a smaller dowel fits inside of. It is typically seen using tree stumps with a hole drilled in the center and an added tree stump on top to interlock. This joinery is interesting, and one portion of the joinery is utilized, which is the hole in the two members that merge together as one dowel.

2-1-14: Fork and Ledger

This joinery uses a small member and a larger member that connects perpendicularly with a notch. The small member is half the size and attaches to the hole in the larger member with an attached notch. The larger member is sturdy as a block and connects the other member together. This joinery is not as strong because of the hanging small member that can easily fall off.

2-6-06: Angled Shoulder Notch

This joinery uses an angular connection in the shoulder to notch together. One member is a sturdy block with an angled rectangular hole that connects another block member with a hole in it to fit the other member. These pieces come together at an angle with rectangular blocks. This joinery is strong when the members are matched together at ground level.

2-5-11: Secret Mitre Dovetail

The blindfolded fit is a type of dovetail joint. It is comprised of 2 planes that interconnect at a 45-degree angle. A series of pins cut to extend from the end of one of the boards to interlock with a series of tails cut into the end of another board. The pins and tails have a trapezoidal shape and is typically used when joining the sides of a drawer to the front and noted for its resistance to being pulled apart by tensile strength.

Initial Part to Whole Joinery

Module Study

I played with mixing different types of connections together to form a joinery. My original studies comprised of twisting and locking down with a dowel, I followed this for the entire study.

Proposed Module

My proposed module consists of three members. Two of the members have a square hole for the third member to connect into from the top. The two members slide in together with a notch in the first member.

Module Aggregation

This is the first exploration of aggregation for the proposed module. Starting with a rectangular base, the form aggregates at an angle to form more connections while growing taller.

Original Module Growth

3D Printed Module

Proposed Aggregation Methods

First Iteration of Jungle Gym

The first iteration replicates the form of a jungle gym. The M-shaped jungle gym allows for children to play, climb, and run around. Because of the middle structure, there is sturdiness regarding how the shape is aggregated. This version of the jungle gym can be replicated in order to be disassembled and changed in the future. Once the children that played on this jungle gym grows up, this shape can be reconfigured to a more mature and useful shape that teenagers can adopt.

Second Iteration of Jungle Gym for Children

The second iteration for the jungle gym includes repeating the same shape as the first iteration and growing it to fit inside a room. This allows for children to play freely and with repeating members that act structurally. Children can play around while the parents sit down at each horizontal connected member. There can be adapations to include swings and children can climb around.

A Different Perspective of Jungle Gym for Teenagers

This is another perspective for the second iteration of the jungle gym. This jungle gym can act as an adaptable place for teenagers. After children grow up, the need for their own "playground" will adapt to a new change. In this iteration, teenagers and adults alike can exercise freely and can have a quiet space after school. There are separation of spaces within and acts as different study or hang out spaces.

Third Iteration of Jungle Gym

The third iteration for a jungle gym can be placed anywhere in a park. On the left, the structure is placed in the middle of a park on a walkway. It provides a shading post for people and teenagers and children can sit on the jungle gym. The shape of the structure is similar to a circle and provides equal distribution of weight and allows for people to hang out on both sides. If people get tired while walking or jogging around the park, they can sit on this structure and take a break.

Perspective 1

This view shows the ability for the structure to expand and grow vertically and horizontally. The shape can maintain a circular shape and grow for a bigger place for people to hang out.

Perspective 2

This view can allow for the structure to capture different views. People to sit around and watch the sky or people. There are places for people to sit and stand around inside while being shaded against the sun or rain.

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