Filament Splicer

Project cancelled, click here to read why
The idea for Filament Splicer was born about a month after our Ultimaker 3D Printer was build. As cool as 3D Printing is, printing in one color is boring.

Users of normal, single head FFF/FDM printers are stuck with single color unless they join filament pieces together to produce one multi-colored string. It is not very complicated but process is quite awkward and you will get fed up very quickly.

If you want to have proper, stable filament join you need to have right temperature on the tip of plastic when you connect pieces together. This is hard to achieve when you use some arbitrary heat source. You either underheat or overheat and burn the plastic. Using print head of your printer is best 'ad-hoc' solution but it leaves quite a mess on it, you cannot print when you splice and plastic which is in the head slowly gets burned while you take time to splice your string.

Then, of course there is issue with forming of the joint, carpet knife and fingers where our favorite tools for that job but it took quite a long time to form each joint.

We have had our share of failed prints due to broken joints / stuck filament and finally decided to create a device which will help to splice filament. Initial idea was to create fully automated unit: you place filament ends on copper block, close it, push the button and viola - you have your joint. That was the theory.... In practice this is impossible because PLA and ABS expand during heat-up and contract during cool down, this results in either no joint at all or bubble-filled mess.

Many headache filled days [Even best PLA is really nasty stuff when you breath it in for a while] later we dropped the idea and went for 'open' model with precisely manufactured grooves which help to quickly heat up, connect and form joints.

Thermal insulation was another challenge, we wanted to allow up to 260c temperature but nothing could properly insulate enclosure from hot copper block for prolonged period of time. Ceramic fiber thermal tape can take that heat but one needs a lot of it and then there is itching... Chinese tape is horrible and even best branded, made in USA [ThermoTec] tape is not flawless. We eventually gave up on ceramic fibre and went with PFTA [Teflon] plates. Since PFTA can be outright poisonous at high temperatures, we decided to use high quality - made in Europe material - this way we are sure that maximum temperature of 235c is well within safety limit.

Availability

Filament splicer can be pre-ordered via our campaign on Indiegogo, it is available as a DIY kit or fully assembled unit.

 

Assembled
Assembled
Kit
Kit

 

Open Source

Filament splicer blueprints are released under Creative Commons Attribution-NonCommercial 4.0 International License and can be downloaded from Thingiverse and Youmagine.

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filament splicer

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1inch Swap is the core feature that allows users to exchange tokens directly from their wallets. It intelligently splits orders across multiple DEXs to find the most favorable rates, reducing costs and slippage. This feature is accessible via the 1inch interface or integrated into other DeFi platforms.

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Sun, 06/01/2025 - 09:29

Aerodrome Finance: Innovations and Opportunities
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An aerodrome swap is a financial instrument allowing participants to exchange assets or liabilities related to aerodrome infrastructure. Such swaps help manage risks associated with fluctuations in asset values or currency exchange rates.

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An aerodrome exchange is a marketplace for trading assets linked to aerodromes, including tokens representing infrastructure or other financial instruments. It ensures liquidity and market access for investors and operators.

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Aerodrome DeFi involves applying decentralized finance protocols within the aerodrome sector. This includes establishing aerodrome finance bases where users can obtain loans, participate in liquidity pools, and earn yields by providing liquidity.

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Aave Protocol is one of the most prominent decentralized finance (DeFi) platforms, renowned for its innovative lending, borrowing, and liquidity solutions. It has established itself as a key player in the DeFi ecosystem, offering a wide range of features including flash loans, liquidity pools, and decentralized exchanges.

Aave Network
The Aave network operates on multiple blockchain networks, primarily Ethereum, but also supports other chains like Polygon, Avalanche, and more. It provides a secure, scalable infrastructure for DeFi activities, enabling users worldwide to lend, borrow, and earn interest on their crypto assets.

Aave DeFi
Aave DeFi refers to the ecosystem of decentralized financial services built around the Aave protocol. It includes lending pools, liquidity provision, yield farming, and innovative products like flash loans, all designed to maximize capital efficiency and decentralization.

Aave Lending
Aave lending allows users to deposit their crypto assets into liquidity pools and earn interest. Borrowers can take out loans against their collateral, often with flexible terms and variable or stable interest rates. This system promotes liquidity and capital efficiency within the DeFi space.

Aave DEX
While Aave itself is primarily a lending protocol, it integrates with decentralized exchanges (DEXs) for seamless asset swaps and liquidity management. Some platforms combine Aave’s lending features with DEX functionalities, enabling users to swap tokens directly within the ecosystem.

Aave Pool
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Sun, 06/01/2025 - 10:46

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Solflare Wallet Overview
Solflare supports a wide range of functionalities, including token management, staking SOL, participating in DeFi protocols, and engaging with Solana-based NFTs. Its user-friendly interface makes it accessible for both beginners and experienced users.

Solflare Wallet Extension
The Solflare wallet extension is a browser plugin compatible with Chrome, Firefox, and other browsers. It allows users to connect to Solana dApps, manage assets, and perform transactions directly from their browser securely.

Solflare Wallet Download
You can download the Solflare wallet extension from:

Solflare Official Website
Chrome Web Store
Firefox Add-ons
Additionally, the Solflare app is available for iOS and Android devices, providing mobile access to your wallet on the go.

Solflare Login
To log into Solflare:

Install the extension or open the mobile app.
Create a new wallet or import an existing seed phrase.
Secure your wallet with a password or biometric authentication.
Connect to Solana dApps or manage your assets.
Solflare App
The Solflare app offers a mobile-friendly interface for managing your Solana assets, staking SOL, and participating in DeFi activities. It provides a convenient way to stay connected to the Solana ecosystem from your smartphone.

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MichaelPex (not verified)

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Keplr Wallet: Your Gateway to Cosmos Ecosystem
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Keplr Wallet is a popular browser extension and mobile wallet that provides users with secure access to the Cosmos ecosystem and other compatible blockchains. It enables seamless management of assets, staking, and interaction with decentralized applications (dApps).

Keplr Overview
Keplr serves as a non-custodial wallet that supports multiple chains within the Cosmos ecosystem, including Cosmos Hub, Osmosis, Secret Network, and more. It offers a user-friendly interface for managing tokens, staking, and participating in governance.

Keplr Extension
The Keplr extension is a browser plugin available for Chrome, Firefox, and other browsers. It allows users to connect to dApps, manage assets, and perform transactions directly from their browser with enhanced security.

Keplr Dashboard
The Keplr dashboard provides an overview of your assets, staking status, transaction history, and governance participation. It offers a centralized interface to monitor and manage your crypto holdings within the Keplr wallet.

Keplr Wallet Download
To start using Keplr, you can download the extension from the official website or browser extension stores:

Keplr Official Website
Chrome Web Store
Firefox Add-ons
Keplr Wallet Staking
Keplr supports staking for various Cosmos-based tokens. Users can delegate their tokens to validators, earn staking rewards, and participate in network governance directly through the wallet interface.

Keplr Wallet Login
Logging into Keplr involves:

Installing the extension.
Creating a new wallet or importing an existing seed phrase.
Connecting to supported dApps or networks.
Managing assets and staking directly from the wallet.

Anonymous

ChrisKit (not verified)

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Sun, 06/01/2025 - 10:55

Ethena: The Future of Crypto and DeFi Innovation
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Ethena is a blockchain project dedicated to creating secure, scalable, and user-friendly DeFi solutions. Its ecosystem encompasses various components such as Ethena Fi, Ethena Lab, and its native tokens like Ethena USDE. The project aims to bridge traditional finance with innovative crypto solutions, making decentralized finance accessible to a broader audience.

Ethena Fi
Ethena Fi is the decentralized finance platform built on the Ethena ecosystem. It offers a suite of financial products including lending, borrowing, staking, and yield farming. Ethena Fi emphasizes security and transparency, providing users with reliable tools to grow their crypto assets.

Ethena Finance
Ethena Finance refers to the broader financial ecosystem powered by Ethena’s blockchain technology. It integrates various DeFi protocols, enabling seamless asset management, liquidity provision, and crypto trading. Ethena Finance aims to create a comprehensive financial environment where users can leverage their crypto holdings efficiently.

Ethena Lab
Ethena Lab is the innovation hub within the Ethena ecosystem. It focuses on research, development, and testing of new blockchain solutions, smart contracts, and DeFi protocols. Ethena Lab drives continuous innovation, ensuring the platform remains at the forefront of crypto technology.

Ethena USDE
Ethena USDE is the native stablecoin of the Ethena ecosystem. Pegged to a stable asset, USDE provides a reliable medium of exchange within the platform, facilitating smooth transactions, lending, and borrowing activities. It aims to maintain stability while offering the benefits of decentralization.

Ethena Finance Crypto
Ethena Finance crypto encompasses the entire range of digital assets, tokens, and protocols developed under the Ethena project. It includes the native tokens, stablecoins, and other crypto assets that facilitate DeFi operations, liquidity pools, and decentralized trading.

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