USB/Cell Phone Mini Fan

Looking for a technical drawing with specs of a wooden box made from used wood material . Boards and 2x4 and plywood sheets. We have already built a box and pictures, some tech drawings that are done by hand and a material list. As a bonus if someone can figure out what weight this box would be able to hold inside. I have attached pictures of the box as well as material sheet and basic tech drawings.

I would like to purchase a full CAD of a rotary filling machine of at least 12 nozzles. I need to know if you have experience in the field. I am wondering if you have a ready CAD that will enable us to speed up the process.

We are working on developing a nail file. The file will interchangeably use different grits of sandpaper. Attached below is a wood file that will act as a template for your file design. However, there are a few changes that must be made. 1. Our file is going to be single-sided, so the securement method must allow for this. The wood file uses a small wheel that tightens the metal arms to keep the sandpaper in place on both sides of the file, so your design must allow for the sandpaper to be secured at the top and bottom of one side only. 2. Measurements: These measurements can be slightly adjusted to accommodate a good design but it should be close. File length (Not including handle): 4 in File Width: 1 in (I want to use 1 inch sandpaper, so the total width with the rounded edges will slightly exceed 1 inch and that is fine). File Thickness 1 cm (The thickness should be consistent and should not taper thinner at the tip like the attached wood file does) 3. The side edges of the file need to be rounded and slightly raised (.25-.5cm raised). The raised edges will allow the user to hold the file from the sides (similar to how you hold a smartphone) so there needs to be some form of added grip to the rounded side edges of the file. The second picture shows how the file will be held from the side, so the design should incorporate this type of position. The securement method does not have to mirror the wood file. If you have a better design that will hold the sandpaper very securely but is also easy to use/can tolerate a lot of use, this will give you a huge boost in the rankings.

1. Project Purpose (The "Why"): The objective is to create a standardized Shop Drawing for a sustainable building utility that bridges the gap between residential plumbing and landscape irrigation. The system is designed to capture high-quality graywater (specifically from sinks and showers), filter out contaminants (like soap and foam), and deliver it to a specialized, fully encapsulated planting basin. A core priority of the design is Structural Integrity, ensuring that irrigation water is strictly contained to prevent any seepage into building foundations or basements. 2. System Architecture (The "How"): The project consists of three integrated stages that must be clearly drafted: Stage A: Selective Source Collection: A dual-track plumbing layout where graywater from specific fixtures (e.g., 3 Sinks, 3 Showers) is isolated from the blackwater (sewage) line during the construction phase. Stage B: The Smart Control Hub [SC]: A centralized mechanical/electronic node where water quality is assessed. This hub includes a 3-way diversion valve to either direct clean water to the basin or reject soapy/contaminated water to the main sewage line. Stage C: The Encapsulated Growth Basin: A 2000mm x 2000mm sub-surface planting zone. It is characterized by a 1000-micron Polyethylene Liner [PL] that provides 360-degree isolation from the surrounding soil. Inside, an Engineered Sponge [ES] medium retains moisture, delivered via a Perforated Injection Pipe [P-INJ]. 3. Scope of Work for the Designer: The designer is required to produce a Typical Installation Detail (Modular Design) that includes: Plan View: Showing the convergence of graywater lines into the Smart Hub. Cross-Section Detail: A 1:20 scale vertical section of the basin showing the liner, the sponge layers, and the injection point. Mechanical Schematic: A detail of the [SC] Hub connections (Inlet, Irrigation Outlet, Overflow/Waste Outlet). Technical Annotations: Detailed notes on material specifications (Liner thickness, pipe gradients, and scalability). 4. Key Technical Constraints: Zero Seepage: The design must demonstrate a leak-proof interface where the injection pipe penetrates the Polyethylene Liner. Scalability: The design logic must be applicable to various building heights and land sizes without changing the core mechanical principles. Maintenance Access: The [SC] Hub must be positioned for easy sensor calibration and valve maintenance.

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