On ISGGs 30th Agenda: Legacy and Challenges
On the Diagonals of Billiards
Exploring the Steiner-Soddy Porism
Circumparabolas in Chapple's porism
Permutation Cubics
Beyond the Nine-Point Conic
Complex Solution of Engineering Problems by Graphic Methods
Integer Sequences from Circle Divisions by Rational Billiard Trajectories
Topographic Surfaces as Topological Sets
Generalizing Continuous Flexible Kokotsakis Belts of the Isogonal Type
The Intersection Curve of an Ellipsoid with a Torus Sharing the same Center
Four-Dimensional Visual Exploration of the Complex Number Plane
Regularity Conditions for Voronoi Diagrams in Hyperbolic Space
Poncelet and the (Arquimedean) twins
A Note on Local Intersection Multiplicity of Two Plane Curves
Locally Flat and Rigidly Foldable Discretizations of Conic Crease Patterns with Reflecting Rule Lines
Transformations between Developments and Perspectives of Three and Four Dimensional Cubes
Perfect circles, Amicable Triangles and some of their Properties Angles Equality and About Two New Constants in the Triangle
Geometrical Construction of Shape by a Weak-Visual Person in a Physical Medium
Algebraic Surfaces and their Geometric Bases
The Wrought Iron Beauty of Poncelet Loci
Rectification of an Edgy Photograph
Point Cloud Upsampling via Quadric Fitting
Viewing Matters
Geometric Aspects of Modeling Real Conditions of Solar Irradiation of Energy Efficient Architectural Objects
MPS Simulation for the Japanese Sport Wellness Blowgun
Conservative Dynamical Systems in Oscillating Origami Tessellations.