I am pleased to introduce **SPIRO**, a 3D puzzle consisting of 28 pieces:
•	Six main pieces that are assembled using five dowels;
•	An additional main piece serving as an alternative for the mouth;
•	Thirteen other pieces, including the hair, ears, eyebrows, arms and legs;
•	Three optional pieces: a heart and a two-parts heart. 

**Assembly requires no screws or glue.** 

SPIRO is designed to be disassembled and reassembled many times, varying the orientation of its eyebrows and arms to give him the expression you want.
 
All components can be simultaneously printed on a build plate measuring 220mm by 220mm. The main parts are positioned in a way to ensure smooth curves avoiding a stair-step effect.

Support structures are necessary to support the snap-fit studs of the eyebrows and hair.

Precise clearances have been calculated so that the dowels should slide well into the holes, without wobbling. However, these clearances cannot be guaranteed due to variations in filament types, printing speeds, and machine performances. Therefore, it is advisable to run a test with a single dowel before printing the five dowels needed for assembly.

**Technical Specifications**
- Model dimensions:  90 x 54 x 116 mm 
- Estimated filament needed (including dowels and attachments): 85 g 
- Number of pieces: 28 

**Printing**
- Optimal layer height: 0.2 mm 
- Print speed: use a slower setting for smaller pieces to achieve greater accuracy.
- Support structures are necessary to support the snap-fit studs of the eyebrows and hair.
- Infill percentage: 15%.

**Post-Processing**
No post-processing is required. All parts can be printed in the same color for a uniform look, or you can print some parts in different colors to personalize SPIRO and make it uniquely yours.

**Scalable**
The main parts are scalable, while the dowels require careful adjustment. 
For downscaling, I suggest 75% or 50%, adjusting the dimensions of the dowels by printing a Test Dowel first, as mentioned above and further described in the PNG image attached: 'SPIRO_Printing and Scaling'.

**Assembly**
This puzzle is designed to be fun and thought-provoking without being difficult. Consult the Assembly Instructions (PDF included) or try assembling SPIRO without help for a little challenge.


SPIRO

SPIRO_STL_24-04-29.stl

I am pleased to introduce my second model. 

Its name is **HOPI**

This puzzle is comprised of eighteen blocks with holes, assembled with fifteen dowels, plus four snap-fit fasteners for the claws, and one additional snap-fit fastener to secure the back and the head to the rest of the body.

The assembly requires no screw or glue. It can be disassembled and reassembled many times just for fun and curiosity.

Just like ELEFANTO, HOPI is part of a series of 3D puzzles I've created using my building set PUZLO. You will see more friends in the coming weeks.

The parts are positioned on two plates.

**PLATE 1**
The first plate contains all the main parts. They are positioned to ensure smooth curves and avoid a stair-step effect.
Your 3D printer should be able to handle bridges created at the ceilings of the holes, and so, no part requires support.

**PLATE 2**
The second plate contains the dowels and the snap-fit fasteners. 
Precise clearances have been calculated so that the dowels should slide well into the holes without wobbling. However, these clearances cannot be guaranteed due to variations in filament types, printing speeds, and machine performances.
Therefore, it is advisable to run a test with a single dowel before printing the fifteen needed for assembly. For this purpose, I have included a Test Dowel on plate 2.
 
More details can be found in the PNG image included “HOPI_Printing and Scaling”.

 **Technical Specifications**
- Model dimensions:  54 x 157 x 177 mm 
- Estimated filament needed (including dowels and attachments): 215 g 
- Number of pieces: 38 in total, including 18 main pieces, 15 dowels, 4 snap-fit fasteners for the claws and 1 more (a little smaller) for the body.
 
**Filament**
- PLA POLYLITE ‘SILK GOLD’ from POLYMAKER 

**Printing** 
- Nozzle size: 0.4
- Layer height: 0.2 mm 
- Print speed: slow, especially for the parts on the second plate (dowels and snap-fit fasteners). 
- No support needed.
- Build plate: preferably smooth.
- Brims: given a clean, well-prepared build plate, I suggest to set brims only for the snap-fit fasteners.
- Infill percentage: 15-20%.

**Post-Processing**  
No post-processing is required. All parts can be printed in the same color for a uniform look, or you can print some parts in different colors to personalize HOPI and make it uniquely yours.

**Scalable**
The main parts are scalable, while the dowels require careful adjustment. 
For downscaling, I suggest 75% or 50%, adjusting the dimensions of the dowels by printing the Test Dowel first, as mentioned above and further described in the PNG image attached: 'HOPI_Printing and Scaling'.
 
**Assembly**
This puzzle is designed to be fun and thought-provoking without being too difficult. Consult the Assembly Instructions (PDF included) or try assembling HOPI without help for a little challenge.


HOPI THE LITTLE RABBIT

HOPI_PLATE-1_100%_24-04-07.3mf

HOPI_PLATE-1_100%_24-04-07.stl

I am pleased to introduce my first model. Its name is **Elefanto**.
It is made up of fourteen main parts assembled with fifteen dowels, plus two snap-fit tusks. 
The assembly requires no screw or glue. It's fun to assemble and disassemble many times to discover all its secrets.

Elefanto is part of a series of 3D puzzles I've created using my building set named PUZLO.
I look forward to sharing Elefanto's friends with you in the coming weeks.

I have positioned the parts on two plates:

**PLATE 1**

The first plate contains all the main parts. They are positioned to ensure smooth curves and avoid a stair-step effect.
Only one part is positioned differently, and requires a support structure for the trunk. I don't suggest creating supports for the holes, as the printer can take care of making the bridges easily and you won't have to clean the holes of support remnants.

**PLATE 2**

The second plate contains the dowels and the snap-fit tusks. Precise clearances have been calculated so that the dowels should slide well into the holes, but without wobbling. However, these clearances cannot be guaranteed due to variations in filament types, printing speeds, and machine performances and must also be adjusted when scaling at larger or lower scales.
Therefore, at any scale, it is advisable to run a test with a single dowel before printing the fifteen needed for assembly. For this purpose, I have included a Test Dowel on Plate 2. 

 **Technical Specifications**
- Model dimensions (mm at scale 1:1) : W=90; L=189; H= 121.5 
- Estimated filament needed (including dowels and tusks): 225 g 
- Number of pieces: 31 in total, including 14 main pieces, 15 dowels, and 2 tusks.
 
**Eco-friendly Filaments** 
- Main Parts (dark grey): PLA MALHELA GRIZO from EFIKECO. 
- Tusks (natural white): PHA REGEN from BOSK. 

**Printing** 
- Nozzle size: 0.4
- Layer height: 0.2 mm 
- Print speed: slow, especially for the parts on the second plate (dowels and tusks). 
- Support needed: only for the elephant's trunk.
- Infill percentage: 15% (it can be less for the ears, for better balance).

**Post-Processing**  
- No post-processing required. 
- All parts can be printed in the same color for a uniform look, or you can print some parts in different colors to personalize Elefanto and make it uniquely yours.

**Scalable**
The main parts are scalable, while the dowels require careful adjustment.
For downscaling, I suggest 75% or 50%, adjusting the dimensions of the dowels by printing the Test Dowel first, as mentioned above and further described in the PNG image attached: 'Elefanto_Printing and Scaling'.

**Assembly**
This puzzle is designed to be fun and thought-provoking without being too difficult. Consult the Assembly Instructions (PDF included) or try assembling Elefanto without help for a challenge.

ELEFANTO

ELEFANTO___100%_24-03-26___PLATE1.3mf

ELEFANTO_100%_24-04-06_PLATE 2.3mf

ELEFANTO_100%_24-03-26_PLATE1.stl

ELEFANTO_100%_24-04-06_PLATE 2.stl

I invite you to create your own 'Family Lab,' where you and your family can immerse yourselves in the creative world of Arkitektoy.

Discover three unique Building Sets: PUZLO, KESTO, and KOMBINO, each engineered from a unique Matrix. These sets feature innovative assembly systems that eliminate the need for screws or glue.

The package includes coloring images to assist in choosing colors for your creations, catering to artistic enjoyment across all ages.

By subscribing, you receive a personal license to download and print the designs I share. This license is for personal, non-commercial use. Please make sure to review the full license details.

FAMILY LAB

On Arkitektoy World, the Daiku's Secrets are embodied in three Building Sets named PUZLO, KESTO and KOMBINO .

Developed from a common geometry over 45 years, each set offers a distinct assembly mode unified by a singular style, inspired by the Bauhaus School and the artistic movement De Stijl who were themselves influenced by the Japanese aesthetics, particularly minimalism and functional simplicity.

3D modeling and printing gave me wings to create with these Building Sets and I've found the freedom to innovate even more. 

Unlock the mysteries of The Daiku's Secrets with this subscription plan, and be among the first to discover them.

By subscribing to this plan, you obtain a personal license to download and print the designs that I will share with you. This is a personal, non-commercial license. Please take the time to read the entire license. 

DAIKU'S SECRETS

Hello, my name is Luc.

Driven by a lifelong passion for design and architecture, I've developed three distinct building sets named PUZLO, KESTO, and KOMBINO. These sets are at the heart of my designs for **3D printed toys and puzzles**. 

None require screws or glue for assembly. PUZLO employs dowels for connectivity, KESTO pieces interlock smoothly, and KOMBINO introduces an innovative method I'm eager to unveil.

Currently, I'm not allowing derivatives as I aim to establish my own standards. However, I'm excited about the prospect of opening up my designs for collaboration in the near future.

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ELEFANTO

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