Integrated metrology in 3D scanners enables real-time quality control, reducing time and costs. Thanks to advanced sensors, geometric algorithms, and connectivity, these systems process dimensional data directly during scanning, integrating with metrology platforms and production processes. Despite some technological limitations, they represent a breakthrough for high-

3D microneedles based on polysaccharides represent a new frontier for cancer immunotherapy. These biodegradable structures penetrate the skin to release drugs directly into the tumor microenvironment, reducing side effects and increasing therapeutic efficacy. Thanks to 3D printing, it is possible to customize their shape and composition for targeted and controlled release. I

Transparent and special photopolymers are revolutionizing industrial 3D printing thanks to light transmittance greater than 90%, biocompatibility, and micrometric precision. Used in sectors such as medical, microfluidics, and jewelry, these materials offer advanced optical and mechanical properties but require specific knowledge for effective use.

SLA 3D printing with photopolymer resins requires attention to chemical risks. Material selection, operational safety, and disposal are fundamental for health and compliance.

Comparison between 3D printing technologies for polymers: FDM, SLA, SLS, and MJF. Each technology offers specific advantages in terms of precision, mechanical strength, surface finish, and industrial applications. The evolution of materials is expanding operational boundaries in advanced sectors such as aerospace, automotive, and medical.

3D printing in hospitals is becoming an essential resource for personalized medicine, with applications ranging from anatomical models to custom implants. Integration requires adequate technologies, biocompatible materials, standardized workflows, and trained staff. Benefits include shorter waiting times, greater clinical precision, and cost reduction. Leading hospitals

The choice between 3D printing and plastic injection depends on volume, customization, and operational context. Injection dominates in high volumes, while 3D printing is preferred for small batches and complex geometries. Both are complementary.

Industrial 3D printing presents often underestimated contractual risks, with clauses that unilaterally shift liability and costs onto clients. Key points include: GPS tracking, geographic limits, training obligations, vague definitions of “failure”, and choice of jurisdiction. It is essential to negotiate fair contracts to avoid legal constraints and ensure safe operations.

Updating printer firmware and software is essential to prevent errors, optimize materials, and improve efficiency. Neglecting them can cause waste, interruptions, and a drop in quality. Following an accurate procedure, with testing and backups, allows you to fully leverage technological advantages and extend the life of the machines.

3D printing is revolutionizing luxury jewelry, enabling complex shapes, reduced production times, and less waste of precious metals. Thanks to digital design and technologies like SLA and LPBF, designers can create details impossible to achieve with traditional methods, accelerating prototyping and production. Integration with lost-wax casting maintains the high quality

The additive manufacturing industry is evolving towards greater maturity, with a focus on specific skills, production, and customer interaction. An increasing number of professionals is changing the job market, making hiring more selective and promoting internal skill development.

3D printing is revolutionizing microfluidics by enabling the rapid and precise production of complex devices in a single process. Technologies like PolyJet and PµSL allow for the creation of microfluidic chips with micrometer-scale channels, eliminating assembly phases and reducing development costs and times. The integration of advanced design, biocompatible materials, and functional coatings enables